Activate stale action (#6998)

Author: cknitt

.github/workflows/stale.yml

@@ -13,8 +13,7 @@ jobs:
     steps:
       - uses: actions/stale@v9
         with:
-          debug-only: true # dry-run
           stale-issue-message: 'This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.'
           stale-issue-label: stale
-          days-before-stale: 120
+          days-before-stale: 360
           days-before-close: 7