Update CI close-stale schedule

Author: iamWing

.github/workflows/close-stale.yml

@@ -2,7 +2,7 @@ name: Close stale issues and PRs
 
 on:
   schedule:
-    - cron: '*/10 * * * *'
+    - cron: '0 23 * * *'
 
 permissions:
   issues: write