chore(deps): bump actions/github-script from 6 to 9

Bumps [actions/github-script](https://github.com/actions/github-script) from 6 to 9.
- [Release notes](https://github.com/actions/github-script/releases)
- [Commits](actions/github-script@v6...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/flaky-test-triage.yml

@@ -36,7 +36,7 @@ jobs:
 
       - name: Create issue for critical flaky tests
         if: steps.check-flaky.outputs.has_flaky == 'true' && steps.check-flaky.outputs.critical_count > 0
-        uses: actions/github-script@v6
+        uses: actions/github-script@v9
         with:
           script: |
             const fs = require('fs');
@@ -79,7 +79,7 @@ jobs:
 
       - name: Comment on PR with flaky test summary
         if: github.event.workflow_run.pull_requests[0] && steps.check-flaky.outputs.has_flaky == 'true'
-        uses: actions/github-script@v6
+        uses: actions/github-script@v9
         with:
           script: |
             const fs = require('fs');