chore(ci): trigger gha workflows on pull request [] (#2616)

* chore: add GHA trigger on PRs

* chore: only trigger on main branch and PRs to address concurrency runs

Author: michaelphamcf

.github/workflows/main.yaml

@@ -4,7 +4,9 @@ permissions:
 
 on:
   push:
-    branches: ['**']
+    branches:
+      - main
+  pull_request:
 
 jobs:
   build: