Remove push branches from build.yml

Author: hishamco

.github/workflows/build.yml

@@ -1,8 +1,6 @@
 name: Orchard Core Contrib Library
 
 on:
-  push:
-    branches: [ "main" ]
   pull_request:
     branches: [ "main" ]
 

.github/workflows/update-submodule.yml

@@ -84,7 +84,7 @@ jobs:
 
             [View changes](${{ steps.submodule-new.outputs.compareUrl }})
             </details>
-          branch: update-submodules
+          branch: update-submodule
           delete-branch: true
           base: main
           labels: |