Increase stale-bot frequency (open-telemetry#1512)

Run it daily to help overcome rate limits.

Author: tylerbenson

.github/workflows/close-stale.yaml

@@ -1,7 +1,7 @@
 name: 'Close stale issues and PRs'
 on:
   schedule:
-    - cron: "40 3 * * 0" # Run weekly on Sunday at 3:40 AM
+    - cron: "40 3 * * *" # Run daily at 3:40 AM
 
 permissions:
   issues: write