Update close_stale_issues.yml

Increase processed items per run

.github/workflows/close_stale_issues.yml

@@ -13,6 +13,7 @@ jobs:
           close-issue-message: 'This issue was closed because it has been stalled for 1 month with no activity.'
           days-before-stale: 60
           days-before-close: 30
+          operations-per-run: 1000
           exempt-issue-labels: 'enhancement'
           days-before-pr-stale: -1
           days-before-pr-close: -1