update build.yml

Author: aaronriekenberg

.github/workflows/build.yml

@@ -6,14 +6,11 @@ name: PR Validation
 on:
   # Triggers the workflow on push or pull request events but only for the main branch
   pull_request:
-    branches: [ main ]
-
-  # Allows you to run this workflow manually from the Actions tab
-  workflow_dispatch:
+    branches:
+      - main
 
 jobs:
   build:
-
     runs-on: ubuntu-latest
     permissions:
       contents: read