Update actions/labeler action to v6 (#3849)

| datasource  | package         | from   | to     |
| ----------- | --------------- | ------ | ------ |
| github-tags | actions/labeler | v5.0.0 | v6.0.0 |

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

Author: renovate[bot]

.github/workflows/labeler.yml

@@ -19,7 +19,7 @@ jobs:
           sparse-checkout-cone-mode: false
           repository: nginx/k8s-common
 
-      - uses: actions/labeler@8558fd74291d67161a8a78ce36a881fa63b766a9 # v5.0.0
+      - uses: actions/labeler@f1a63e87db0c6baf19c5713083f8d00d789ca184 # v6.0.0
         with:
           repo-token: "${{ secrets.GITHUB_TOKEN }}"
           sync-labels: true