Update schedule.yml

Author: ntkme

.github/workflows/schedule.yml

@@ -8,7 +8,7 @@ on:
     branches:
       - '**'
   schedule:
-    - cron: '0 0/6 * * *'
+    - cron: '0 0/4 * * *'
   workflow_dispatch:
 
 concurrency: