Merge pull request #8528 from ethereum-optimism/dependabot/github_actions/actions/stale-9

build(deps): bump actions/stale from 4 to 9

.github/workflows/close-stale.yml

@@ -7,7 +7,7 @@ jobs:
   stale:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/stale@v4
+      - uses: actions/stale@v9
         with:
           stale-pr-message: 'This PR is stale because it has been open 14 days with no activity. Remove stale label or comment or this will be closed in 5 days.'
           stale-issue-label: 'S-stale'