gem-push.yml in devise_zxcvbn-6.0.0

- old
+ new

@@ -1,11 +1,9 @@
 name: Ruby Gem
 
 on:
   push:
     branches: [ master ]
-  pull_request:
-    branches: [ master ]
 
 jobs:
   build:
     name: Build + Publish
     runs-on: ubuntu-latest