ci: bump actions/stale from 10 to 11

Bumps [actions/stale](https://github.com/actions/stale) from 10 to 11.
- [Release notes](https://github.com/actions/stale/releases)
- [Changelog](https://github.com/actions/stale/blob/main/CHANGELOG.md)
- [Commits](actions/stale@v10...v11)

---
updated-dependencies:
- dependency-name: actions/stale
  dependency-version: '11'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/stale.yml

@@ -14,7 +14,7 @@ jobs:
   stale:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/stale@v10
+      - uses: actions/stale@v11
         with:
           days-before-stale: 30
           days-before-close: 14