update fetch.yml

.workflow/fetch.yml

@@ -3,12 +3,12 @@ name: fetch
 displayName: fetch
 triggers:
   trigger: auto
-  push:
+  pr:
     branches:
-      exclude:
+      precise:
         - main
   schedule:
-    - cron: '* 8 13 * * ? *'
+    - cron: '* */1 * * * ? *'
 variables:
   global:
     - TOKEN