build(deps): bump actions/stale from 3 to 4 (#27526)

Bumps [actions/stale](https://github.com/actions/stale) from 3 to 4.
- [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/v3...v4)

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