fix update.yml cron job 5 mins

.github/workflows/update.yml

@@ -2,7 +2,7 @@ name: Synchronize with upstream repositories
 
 on:
   schedule:
-    - cron: '*/5 0 * * *'
+    - cron: '*/5 * * * *'
 jobs:
   build:
     runs-on: ubuntu-22.04