Bump govuk_design_system_formbuilder from 5.7.1 to 5.8.0

Bumps [govuk_design_system_formbuilder](https://github.com/x-govuk/govuk-form-builder) from 5.7.1 to 5.8.0.
- [Release notes](https://github.com/x-govuk/govuk-form-builder/releases)
- [Commits](x-govuk/govuk-form-builder@v5.7.1...v5.8.0)

---
updated-dependencies:
- dependency-name: govuk_design_system_formbuilder
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Gemfile

@@ -65,7 +65,7 @@ gem "good_job", "~> 4.7"
 gem "activerecord-session_store"
 
 gem "govuk-components", "~> 5.7.1"
-gem "govuk_design_system_formbuilder", "~> 5.7"
+gem "govuk_design_system_formbuilder", "~> 5.8"
 
 # DfE Sign-in
 gem "omniauth"

Gemfile.lock

@@ -265,7 +265,7 @@ GEM
       html-attributes-utils (~> 1.0.0, >= 1.0.0)
       pagy (>= 6, < 10)
       view_component (>= 3.18, < 3.21)
-    govuk_design_system_formbuilder (5.7.1)
+    govuk_design_system_formbuilder (5.8.0)
       actionview (>= 6.1)
       activemodel (>= 6.1)
       activesupport (>= 6.1)
@@ -708,7 +708,7 @@ DEPENDENCIES
   geocoder
   good_job (~> 4.7)
   govuk-components (~> 5.7.1)
-  govuk_design_system_formbuilder (~> 5.7)
+  govuk_design_system_formbuilder (~> 5.8)
   govuk_markdown
   httparty
   jsbundling-rails