Bump mheap/github-action-required-labels from 4 to 5

Bumps [mheap/github-action-required-labels](https://github.com/mheap/github-action-required-labels) from 4 to 5.
- [Release notes](https://github.com/mheap/github-action-required-labels/releases)
- [Commits](mheap/github-action-required-labels@v4...v5)

---
updated-dependencies:
- dependency-name: mheap/github-action-required-labels
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/housekeeping.yml

@@ -68,7 +68,7 @@ jobs:
   required-labels:
     runs-on: ubuntu-latest
     steps:
-      - uses: mheap/github-action-required-labels@v4
+      - uses: mheap/github-action-required-labels@v5
         with:
           mode: minimum
           count: 1