add main build trigger for testing

Author: ezhang6811

.github/workflows/main-build.yml

@@ -4,6 +4,7 @@ on:
     branches:
       - main
       - "release/v*"
+      - "fix-e2e-test"
   workflow_dispatch: # be able to run the workflow on demand
 env:
   AWS_DEFAULT_REGION: us-east-1