Bump actions/labeler from 4 to 5 (#22)

Bumps [actions/labeler](https://github.com/actions/labeler) from 4 to 5.
- [Release notes](https://github.com/actions/labeler/releases)
- [Commits](actions/labeler@v4...v5)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/pull-request-labeler.yaml

@@ -9,7 +9,7 @@ jobs:
 
     steps:
     - name: Add Labels for PR
-      uses: actions/labeler@v4
+      uses: actions/labeler@v5
       with:
         repo-token: "${{ secrets.GITHUB_TOKEN }}"
         configuration-path: .github/labeler.yaml