Update actions/labeler action to v6

| datasource  | package         | from   | to     |
| ----------- | --------------- | ------ | ------ |
| github-tags | actions/labeler | v5.0.0 | v6.0.1 |


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

Author: renovate[bot]

.github/workflows/labeler.yml

@@ -12,7 +12,7 @@ jobs:
       pull-requests: write # for actions/labeler to add labels
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/labeler@634933edcd8ababfe52f92936142cc22ac488b1b # v5.0.0-alpha.1
+      - uses: actions/labeler@634933edcd8ababfe52f92936142cc22ac488b1b # v6.0.1-alpha.1
         with:
           repo-token: "${{ secrets.GITHUB_TOKEN }}"
           sync-labels: true