chore(deps): update actions/labeler action to v5 (#350)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/labeler_workflow.yml

@@ -30,5 +30,5 @@ jobs:
       run: tox
 
     - name: Add label if tests fail
-      uses: actions/labeler@v4
+      uses: actions/labeler@v5
       if: ${{ failure() }}