Bump actions/stale from 9.0.0 to 9.1.0

Bumps [actions/stale](https://github.com/actions/stale) from 9.0.0 to 9.1.0.
- [Release notes](https://github.com/actions/stale/releases)
- [Changelog](https://github.com/actions/stale/blob/main/CHANGELOG.md)
- [Commits](https://github.com/actions/stale/compare/v9.0.0...v9.1.0)

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

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

.github/workflows/stale.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: 30 days stale issues
-        uses: actions/stale@v9.0.0
+        uses: actions/stale@v9.1.0
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
           days-before-issue-stale: 30