chore(deps): update actions/github-script action to v9

Author: renovate[bot]

.github/workflows/delete-unused-packages.yaml

@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Delete untagged images of ${{ matrix.package-name }}
-        uses: actions/github-script@v8
+        uses: actions/github-script@v9
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
           script: |