Bump actions/github-script from 5 to 6

Bumps [actions/github-script](https://github.com/actions/github-script) from 5 to 6.
- [Release notes](https://github.com/actions/github-script/releases)
- [Commits](actions/github-script@v5...v6)

---
updated-dependencies:
- dependency-name: actions/github-script
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/deploy.yaml

@@ -52,7 +52,7 @@ jobs:
         terraform plan -no-color -var-file=deploy.tfvars
       continue-on-error: true
     - name: Update Pull Request
-      uses: actions/github-script@v5
+      uses: actions/github-script@v6
       if: github.event_name == 'pull_request'
       env:
         PLAN: "terraform\n${{ steps.plan.outputs.stdout }}"