Bump actions/labeler from 5 to 6 (#1198)

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

Author: dependabot[bot]

.github/workflows/label.yml

@@ -15,7 +15,7 @@ jobs:
   label:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/labeler@v5
+    - uses: actions/labeler@v6
       with:
         sync-labels: ""
         repo-token: "${{ secrets.GITHUB_TOKEN }}"