Bump actions/labeler from 4 to 5 (#21)

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] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/labeler.yml

@@ -11,7 +11,7 @@ jobs:
   triage:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/labeler@v4
+      - uses: actions/labeler@v5
         with:
           repo-token: "${{ secrets.GITHUB_TOKEN }}"
           sync-labels: false