Adjust main branches

Author: NickCraver

.github/workflows/CI.yml

@@ -2,9 +2,9 @@ name: CI
 
 on:
   pull_request:
+    branches: [ 'main' ]
   push:
-    branches:
-      - 'main'
+    branches: [ 'main' ]
     paths:
       - '*'
       - '!/docs/*' # Don't run workflow when files are only in the /docs directory