chore(deps): update actions/stale action to v9 (#5862)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

Diff for: .github/workflows/stalebot.yml

@@ -7,7 +7,7 @@ jobs:
   stale:
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/stale@v6.0.1
+      - uses: actions/stale@v9.0.0
         with:
           exempt-issue-labels: 'WIP,security,action_item,never_stale'
           days-before-issue-stale: 365