Update hf_check_file_size.yml

Former-commit-id: 11683649edf3849e24bd702e014bf4bbcabc0c42

.github/workflows/hf_check_file_size.yml

@@ -1,6 +1,6 @@
 name: Check file size
 on:               # or directly `on: [push]` to run the action on every push on any branch
-  pull_request:
+  push:
     branches: [main]
 
   # to run this workflow manually from the Actions tab