.github/workflows/main.yml in grumlin-0.4.0 vs .github/workflows/main.yml in grumlin-0.5.0

@@ -1,7 +1,7 @@
 name: Ruby
 
-on: [push, pull_request]
+on: [push]
 
 jobs:
   lint:
     runs-on: ubuntu-latest
     steps: