chore(deps): bump actions/github-script from 3 to 6 (#2127)

Bumps [actions/github-script](https://github.com/actions/github-script) from 3 to 6.
- [Release notes](https://github.com/actions/github-script/releases)
- [Commits](actions/github-script@v3...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]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Piotr Galar <[email protected]>

.github/workflows/ci.yml

@@ -126,7 +126,7 @@ jobs:
 
       - name: Fail job due to pinning failure
         if: steps.pin-estuary.outcome == 'failure' && steps.pin-cluster.outcome == 'failure'
-        uses: actions/github-script@v3
+        uses: actions/github-script@v6
         with:
           script: |
               core.setFailed('Pinning did not succeed')