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](actions/stale@28ca103...5bef64f)

---
updated-dependencies:
- dependency-name: actions/stale
  dependency-version: 9.1.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/close-stale.yaml

@@ -28,7 +28,7 @@ jobs:
   stale:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/stale@28ca1036281a5e5922ead5184a1bbf96e5fc984e    # v9.0.0
+      - uses: actions/stale@5bef64f19d7facfb25b37b414482c7164d639639    # v9.1.0
         with:
           # Labels need to match with the ones in `labeler.yaml`!
           only-labels: waiting-for-user