build(deps): bump actions/github-script from 8 to 9

Bumps [actions/github-script](https://github.com/actions/github-script) from 8 to 9.
- [Release notes](https://github.com/actions/github-script/releases)
- [Commits](actions/github-script@v8...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>

Author: dependabot[bot]

.github/workflows/generate-e-books.yaml

@@ -44,7 +44,7 @@ jobs:
       - name: Add a comment with a link to the generated artifacts.
         # For forked PRs the token is read-only; skip commenting to avoid failures.
         if: ${{ github.event.pull_request.head.repo.full_name == github.event.pull_request.base.repo.full_name }}
-        uses: actions/github-script@v8
+        uses: actions/github-script@v9
         env:
           RUN_URL: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}
         with: