Bump actions/stale from 5 to 6

Bumps [actions/stale](https://github.com/actions/stale) from 5 to 6. - [Release notes](https://github.com/actions/stale/releases) - [Changelog](https://github.com/actions/stale/blob/main/CHANGELOG.md) - [Commits](actions/stale@v5...v6) --- updated-dependencies: - dependency-name: actions/stale 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

@@ -18,7 +18,7 @@ jobs:
  pull-requests: write
 
  steps:
- - uses: actions/stale@v5
+ - uses: actions/stale@v6
  with:
  repo-token: ${{ secrets.GITHUB_TOKEN }}
  stale-issue-message: 'Stale issue message'