fix(deps): Bump hashicorp/google from 5.20.0 to 5.21.0 (#44)

Bumps [hashicorp/google](https://github.com/hashicorp/terraform-provider-google) from 5.20.0 to 5.21.0.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/hashicorp/terraform-provider-google/releases">hashicorp/google's releases</a>.</em></p>
<blockquote>
<h2>v5.21.0</h2>
<p>FEATURES:</p>
<ul>
<li><strong>New Data Source:</strong> <code>google_apphub_discovered_service</code> (<a href="https://redirect.github.com/hashicorp/terraform-provider-google/pull/17548">#17548</a>)</li>
<li><strong>New Data Source:</strong> <code>google_apphub_discovered_workload</code> (<a href="https://redirect.github.com/hashicorp/terraform-provider-google/pull/17553">#17553</a>)</li>
<li><strong>New Data Source:</strong> <code>google_cloud_quotas_quota_info</code> (<a href="https://redirect.github.com/hashicorp/terraform-provider-google/pull/17564">#17564</a>)</li>
<li><strong>New Resource:</strong> <code>google_apphub_workload</code> (<a href="https://redirect.github.com/hashicorp/terraform-provider-google/pull/17561">#17561</a>)</li>
<li><strong>New Resource:</strong> <code>google_firebase_app_check_device_check_config</code> (<a href="https://redirect.github.com/hashicorp/terraform-provider-google/pull/17517">#17517</a>)</li>
<li><strong>New Resource:</strong> <code>google_iap_tunnel_dest_group</code> (<a href="https://redirect.github.com/hashicorp/terraform-provider-google/pull/17533">#17533</a>)</li>
<li><strong>New Resource:</strong> <code>google_kms_ekm_connection</code> (<a href="https://redirect.github.com/hashicorp/terraform-provider-google/pull/17512">#17512</a>)</li>
<li><strong>New Resource:</strong> <code>google_apphub_application</code> (<a href="https://redirect.github.com/hashicorp/terraform-provider-google/pull/17499">#17499</a>)</li>
<li><strong>New Resource:</strong> <code>google_apphub_service</code> (<a href="https://redirect.github.com/hashicorp/terraform-provider-google/pull/17562">#17562</a>)</li>
<li><strong>New Resource:</strong> <code>google_apphub_service_project_attachment</code> (<a href="https://redirect.github.com/hashicorp/terraform-provider-google/pull/17536">#17536</a>)</li>
<li><strong>New Resource:</strong> <code>google_network_security_firewall_endpoint_association</code> (<a href="https://redirect.github.com/hashicorp/terraform-provider-google/pull/17540">#17540</a>)</li>
</ul>
<p>IMPROVEMENTS:</p>
<ul>
<li>cloudrunv2: added support for <code>scaling.min_instance_count</code> in <code>google_cloud_run_v2_service</code>. (<a href="https://redirect.github.com/hashicorp/terraform-provider-google/pull/17501">#17501</a>)</li>
<li>compute: added <code>metric.single_instance_assignment</code> and <code>metric.filter</code> to <code>google_compute_region_autoscaler</code> (<a href="https://redirect.github.com/hashicorp/terraform-provider-google/pull/17519">#17519</a>)</li>
<li>container: added <code>queued_provisioning</code> to <code>google_container_node_pool</code> (<a href="https://redirect.github.com/hashicorp/terraform-provider-google/pull/17549">#17549</a>)</li>
<li>gkeonprem: allowed <code>vcenter_network</code> to be set in <code>google_gkeonprem_vmware_cluster</code>, previously it was output-only (<a href="https://redirect.github.com/hashicorp/terraform-provider-google/pull/17505">#17505</a>)</li>
<li>workstations: added support for <code>ephemeral_directories</code> in <code>google_workstations_workstation_config</code> (<a href="https://redirect.github.com/hashicorp/terraform-provider-google/pull/17515">#17515</a>)</li>
</ul>
<p>BUG FIXES:</p>
<ul>
<li>compute: allowed sending empty values for <code>SERVERLESS</code> in <code>google_compute_region_network_endpoint_group</code> resource (<a href="https://redirect.github.com/hashicorp/terraform-provider-google/pull/17500">#17500</a>)</li>
<li>notebooks: fixed an issue where default tags would cause a diff recreating <code>google_notebooks_instance</code> resources (<a href="https://redirect.github.com/hashicorp/terraform-provider-google/pull/17559">#17559</a>)</li>
<li>storage: fixed an issue where two or more lifecycle rules with different values of <code>no_age</code> field always generates change in <code>google_storage_bucket</code> resource. (<a href="https://redirect.github.com/hashicorp/terraform-provider-google/pull/17513">#17513</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a href="https://github.com/hashicorp/terraform-provider-google/blob/main/CHANGELOG.md">hashicorp/google's changelog</a>.</em></p>
<blockquote>
<h2>5.21.0 (Mar 18, 2024)</h2>
<p>FEATURES:</p>
<ul>
<li><strong>New Data Source:</strong> <code>google_apphub_discovered_service</code> (<a href="https://redirect.github.com/hashicorp/terraform-provider-google/pull/17548">#17548</a>)</li>
<li><strong>New Data Source:</strong> <code>google_apphub_discovered_workload</code> (<a href="https://redirect.github.com/hashicorp/terraform-provider-google/pull/17553">#17553</a>)</li>
<li><strong>New Data Source:</strong> <code>google_cloud_quotas_quota_info</code> (<a href="https://redirect.github.com/hashicorp/terraform-provider-google/pull/17564">#17564</a>)</li>
<li><strong>New Resource:</strong> <code>google_apphub_workload</code> (<a href="https://redirect.github.com/hashicorp/terraform-provider-google/pull/17561">#17561</a>)</li>
<li><strong>New Resource:</strong> <code>google_firebase_app_check_device_check_config</code> (<a href="https://redirect.github.com/hashicorp/terraform-provider-google/pull/17517">#17517</a>)</li>
<li><strong>New Resource:</strong> <code>google_iap_tunnel_dest_group</code> (<a href="https://redirect.github.com/hashicorp/terraform-provider-google/pull/17533">#17533</a>)</li>
<li><strong>New Resource:</strong> <code>google_kms_ekm_connection</code> (<a href="https://redirect.github.com/hashicorp/terraform-provider-google/pull/17512">#17512</a>)</li>
<li><strong>New Resource:</strong> <code>google_apphub_application</code> (<a href="https://redirect.github.com/hashicorp/terraform-provider-google/pull/17499">#17499</a>)</li>
<li><strong>New Resource:</strong> <code>google_apphub_service</code> (<a href="https://redirect.github.com/hashicorp/terraform-provider-google/pull/17562">#17562</a>)</li>
<li><strong>New Resource:</strong> <code>google_apphub_service_project_attachment</code> (<a href="https://redirect.github.com/hashicorp/terraform-provider-google/pull/17536">#17536</a>)</li>
<li><strong>New Resource:</strong> <code>google_network_security_firewall_endpoint_association</code> (<a href="https://redirect.github.com/hashicorp/terraform-provider-google/pull/17540">#17540</a>)</li>
</ul>
<p>IMPROVEMENTS:</p>
<ul>
<li>cloudrunv2: added support for <code>scaling.min_instance_count</code> in <code>google_cloud_run_v2_service</code>. (<a href="https://redirect.github.com/hashicorp/terraform-provider-google/pull/17501">#17501</a>)</li>
<li>compute: added <code>metric.single_instance_assignment</code> and <code>metric.filter</code> to <code>google_compute_region_autoscaler</code> (<a href="https://redirect.github.com/hashicorp/terraform-provider-google/pull/17519">#17519</a>)</li>
<li>container: added <code>queued_provisioning</code> to <code>google_container_node_pool</code> (<a href="https://redirect.github.com/hashicorp/terraform-provider-google/pull/17549">#17549</a>)</li>
<li>gkeonprem: allowed <code>vcenter_network</code> to be set in <code>google_gkeonprem_vmware_cluster</code>, previously it was output-only (<a href="https://redirect.github.com/hashicorp/terraform-provider-google/pull/17505">#17505</a>)</li>
<li>workstations: added support for <code>ephemeral_directories</code> in <code>google_workstations_workstation_config</code> (<a href="https://redirect.github.com/hashicorp/terraform-provider-google/pull/17515">#17515</a>)</li>
</ul>
<p>BUG FIXES:</p>
<ul>
<li>compute: allowed sending empty values for <code>SERVERLESS</code> in <code>google_compute_region_network_endpoint_group</code> resource (<a href="https://redirect.github.com/hashicorp/terraform-provider-google/pull/17500">#17500</a>)</li>
<li>notebooks: fixed an issue where default tags would cause a diff recreating <code>google_notebooks_instance</code> resources (<a href="https://redirect.github.com/hashicorp/terraform-provider-google/pull/17559">#17559</a>)</li>
<li>storage: fixed an issue where two or more lifecycle rules with different values of <code>no_age</code> field always generates change in <code>google_storage_bucket</code> resource. (<a href="https://redirect.github.com/hashicorp/terraform-provider-google/pull/17513">#17513</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/hashicorp/terraform-provider-google/commit/82299d061602231d07d970ae2ba13479244328e3"><code>82299d0</code></a> Release 5.21.0 changelog (<a href="https://redirect.github.com/hashicorp/terraform-provider-google/issues/17586">#17586</a>)</li>
<li><a href="https://github.com/hashicorp/terraform-provider-google/commit/9883fc2b18d6736e9759b8249a11fb7a39f457cc"><code>9883fc2</code></a> Added CloudQuotas service and Create QuotaInfo Datasource (<a href="https://redirect.github.com/hashicorp/terraform-provider-google/issues/10071">#10071</a>) (<a href="https://redirect.github.com/hashicorp/terraform-provider-google/issues/17564">#17564</a>)</li>
<li><a href="https://github.com/hashicorp/terraform-provider-google/commit/7b3ae2b8a318aa2148f4df5f0865599029e81c45"><code>7b3ae2b</code></a> feat: add credentials_secret field in azure blob storage block for google sto...</li>
<li><a href="https://github.com/hashicorp/terraform-provider-google/commit/fa22b5f31301c243456e86eb7ebeb18783310f58"><code>fa22b5f</code></a> Add new resource Service for Apphub (<a href="https://redirect.github.com/hashicorp/terraform-provider-google/issues/10132">#10132</a>) (<a href="https://redirect.github.com/hashicorp/terraform-provider-google/issues/17562">#17562</a>)</li>
<li><a href="https://github.com/hashicorp/terraform-provider-google/commit/67c46064ecb06648d71cbe5abaa3031411f0eb3b"><code>67c4606</code></a> Add new resource Workload for Apphub (<a href="https://redirect.github.com/hashicorp/terraform-provider-google/issues/10155">#10155</a>) (<a href="https://redirect.github.com/hashicorp/terraform-provider-google/issues/17561">#17561</a>)</li>
<li><a href="https://github.com/hashicorp/terraform-provider-google/commit/25f79b6b5635d7e3184a9d242f6acb3a624399d6"><code>25f79b6</code></a> Documentation Fix compute_security_policy (<a href="https://redirect.github.com/hashicorp/terraform-provider-google/issues/9732">#9732</a>) (<a href="https://redirect.github.com/hashicorp/terraform-provider-google/issues/17560">#17560</a>)</li>
<li><a href="https://github.com/hashicorp/terraform-provider-google/commit/fe8df03708c2e6988c3bf73b46c26f22b52ec3c5"><code>fe8df03</code></a> fix tags cause notebooks instances to recreate (<a href="https://redirect.github.com/hashicorp/terraform-provider-google/issues/10179">#10179</a>) (<a href="https://redirect.github.com/hashicorp/terraform-provider-google/issues/17559">#17559</a>)</li>
<li><a href="https://github.com/hashicorp/terraform-provider-google/commit/a2223bb60d6964a3a5a0602e9a2ad1aaa36dc7a2"><code>a2223bb</code></a> Update Documentation for ACM Service Perimeter resources to reflect Granular ...</li>
<li><a href="https://github.com/hashicorp/terraform-provider-google/commit/2ccc543412f4266877fe6d7d020431c14d83b08c"><code>2ccc543</code></a> Add data source for AppHub discovered workload (<a href="https://redirect.github.com/hashicorp/terraform-provider-google/issues/10107">#10107</a>) (<a href="https://redirect.github.com/hashicorp/terraform-provider-google/issues/17553">#17553</a>)</li>
<li><a href="https://github.com/hashicorp/terraform-provider-google/commit/fd2604bc8b7e77d518bd9825c6ff96e9c47026c4"><code>fd2604b</code></a> Update index page of documentation to link to issue templates for Bugs and FR...</li>
<li>Additional commits viewable in <a href="https://github.com/hashicorp/terraform-provider-google/compare/v5.20.0...v5.21.0">compare view</a></li>
</ul>
</details>
<br />


[![Dependabot compatibility score](https://dependabot-badges.githubapp.com/badges/compatibility_score?dependency-name=hashicorp/google&package-manager=terraform&previous-version=5.20.0&new-version=5.21.0)](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores)

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting `@dependabot rebase`.

[//]: # (dependabot-automerge-start)
[//]: # (dependabot-automerge-end)

---

<details>
<summary>Dependabot commands and options</summary>
<br />

You can trigger Dependabot actions by commenting on this PR:
- `@dependabot rebase` will rebase this PR
- `@dependabot recreate` will recreate this PR, overwriting any edits that have been made to it
- `@dependabot merge` will merge this PR after your CI passes on it
- `@dependabot squash and merge` will squash and merge this PR after your CI passes on it
- `@dependabot cancel merge` will cancel a previously requested merge and block automerging
- `@dependabot reopen` will reopen this PR if it is closed
- `@dependabot close` will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually
- `@dependabot show <dependency name> ignore conditions` will show all of the ignore conditions of the specified dependency
- `@dependabot ignore this major version` will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
- `@dependabot ignore this minor version` will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
- `@dependabot ignore this dependency` will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)


</details>