Bump crs-k/stale-branches from 3.1.4 to 4.0.0

Bumps [crs-k/stale-branches](https://github.com/crs-k/stale-branches) from 3.1.4 to 4.0.0.
- [Release notes](https://github.com/crs-k/stale-branches/releases)
- [Commits](v3.1.4...v4.0.0)

---
updated-dependencies:
- dependency-name: crs-k/stale-branches
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/stale-branches-test.yml

@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Stale Branches
-      uses: crs-k/stale-branches@v3.1.4
+      uses: crs-k/stale-branches@v4.0.0
       with:
         repo-token: "${{ secrets.GITHUB_TOKEN }}"
         days-before-stale: 1