build(deps): bump actions/github-script from 8 to 9 (#2776)

Author: dependabot[bot]

.github/workflows/unstale.yml

@@ -13,7 +13,7 @@ jobs:
     if: ${{ !github.event.issue.pull_request }}
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/github-script@v8
+      - uses: actions/github-script@v9
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
           script: |