Update maintenance.yaml

Author: znck

.github/workflows/maintenance.yaml

@@ -12,8 +12,8 @@ jobs:
       - name: Close Stale Issues
         uses: actions/[email protected]
         with:
-          days-before-issue-stale: 30
-          days-before-pr-stale: 90
+          days-before-issue-stale: 120
+          days-before-pr-stale: 120
           operations-per-run: 200
     permissions:
       issues: write