Update actions/github-script action to v9

Author: renovate[bot]

.github/workflows/require-label.yml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-slim
     steps:
       - name: Check for Label
-        uses: actions/github-script@v8
+        uses: actions/github-script@v9
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
           script: |