Update codeql-daily.yml

Author: Timothy Mothra

.github/workflows/codeql-daily.yml

@@ -2,11 +2,8 @@ name: CodeQL (daily)
 
 on:
   schedule:
-    - cron: '30 1 * * *'
+    - cron: '30 1 * * *' # run daily at 1:30 AM UTC
   workflow_dispatch:
-  push:
-    branches:
-      - '**'
 
 jobs:
   # ===== Java Analysis Job =====