Change time in template

This template proposes a time which is our peak load for Actions, would this time work better for our customers? Fixes https://github.com/github/codeql-action/issues/258

README.md

@@ -31,7 +31,7 @@ on:
     #        │ │ │ │ │
     #        │ │ │ │ │
     #        * * * * *
-    - cron: '0 0 * * 0'
+    - cron: '30 1 * * 0'
 
 jobs:
   CodeQL-Build: