Update sync-fork.yml

Author: jo-chemla

.github/workflows/sync-fork.yml

@@ -1,8 +1,9 @@
 name: Sync Fork with Upstream
+# Default branch set to winget-release-workflow rather than master so action can run, and changes only occur in that branch so master is synced. 
 
 on:
   schedule:
-    - cron: '0/10 * * * *'  # daily at 03:00 UTC
+    - cron: '5/10 * * * *'  # daily at 03:00 UTC
   workflow_dispatch:
 
 jobs: