Bump actions/github-script from 7 to 9

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

.github/workflows/pr-label-bot.yml

@@ -24,7 +24,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Ask PR author for label
-        uses: actions/github-script@v7
+        uses: actions/github-script@v9
         with:
           script: |
             function isPermissionDenied(error) {
@@ -88,7 +88,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Apply label command from PR author
-        uses: actions/github-script@v7
+        uses: actions/github-script@v9
         with:
           script: |
             function isPermissionDenied(error) {