ci(deps): bump actions/stale from 5 to 9

Bumps [actions/stale](https://github.com/actions/stale) from 5 to 9.
- [Release notes](https://github.com/actions/stale/releases)
- [Changelog](https://github.com/actions/stale/blob/main/CHANGELOG.md)
- [Commits](actions/stale@v5...v9)

---
updated-dependencies:
- dependency-name: actions/stale
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/stale_issues.yml

@@ -9,7 +9,7 @@ jobs:
     name: Mark stale issues
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/stale@v5
+      - uses: actions/stale@v9
         with:
           repo-token: ${{ github.token }}
           stale-issue-message: "This issue is stale because it has been open 30 days with no activity. If this is still relevant remove stale status label or comment or this will be closed in 14 days."