Bump actions/github-script from 7 to 9 (#327)

Bumps [actions/github-script](https://github.com/actions/github-script) from 7 to 9.
- [Release notes](https://github.com/actions/github-script/releases)
- [Commits](actions/github-script@v7...v9)

---
updated-dependencies:
- dependency-name: actions/github-script
  dependency-version: '9'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/benchmark.yml

@@ -162,7 +162,7 @@ jobs:
       # Forked PRs get a read-only token and cannot comment; the run summary covers them.
       - name: Post sticky PR comment
         if: github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name == github.repository
-        uses: actions/github-script@v7
+        uses: actions/github-script@v9
         with:
           script: |
             const fs = require('fs');