build(deps): bump actions/stale from 9.0.0 to 9.1.0 (#4516)

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/28ca1036281a5e5922ead5184a1bbf96e5fc984e...5bef64f19d7facfb25b37b414482c7164d639639)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/stale.yml

@@ -12,7 +12,7 @@ jobs:
   stale:
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/stale@28ca1036281a5e5922ead5184a1bbf96e5fc984e # v9.0.0
+      - uses: actions/stale@5bef64f19d7facfb25b37b414482c7164d639639 # v9.1.0
         with:
           stale-issue-message: >
             This issue has been automatically marked as stale because