fix: disable scheduled stats workflow runs, keep manual trigger only

.github/workflows/stats.yml

@@ -1,8 +1,8 @@
 name: stats
 
 on:
-  schedule:
-    - cron: "0 12 * * *" # Run daily at 12:00 UTC
+  # schedule:
+  #   - cron: "0 12 * * *" # Run daily at 12:00 UTC
   workflow_dispatch: # Allow manual trigger
 
 concurrency: ${{ github.workflow }}-${{ github.ref }}