ci: make sure all prs and issues are been handled (lance-format#5146)

Author: Xuanwo

.github/workflows/stale.yml

@@ -17,4 +17,5 @@ jobs:
         with:
           close-pr-message: "Thank you for your contribution. This PR has been inactive for a while, so we're closing it to free up bandwidth. Feel free to reopen it if you still find it useful."
           days-before-pr-stale: 90
-          days-before-pr-close: 30
+          days-before-pr-close: 10
+          operations-per-run: 1000