Bump actions/stale from 5 to 9 in the actions group

Bumps the actions group with 1 update: [actions/stale](https://github.com/actions/stale).


Updates `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](https://github.com/actions/stale/compare/v5...v9)

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

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

.github/workflows/stale.yaml

@@ -11,7 +11,7 @@ jobs:
       issues: write
       pull-requests: write
     steps:
-      - uses: actions/stale@v5
+      - uses: actions/stale@v9
         with:
           days-before-issue-stale: 30
           days-before-issue-close: 14