build: update push events support

The workflow is expanded to run on the beta branch in
addition to the main branch for both push and pull_request events.

Changes to be committed:
modified:   .github/workflows/testPublish.yml

.github/workflows/testPublish.yml

@@ -4,9 +4,9 @@ name: Test and publish
 # events but only for the main branch
 on:
   push:
-    branches: [ main ]
+    branches: [ main, beta ]
   pull_request:
-    branches: [ main ]
+    branches: [ main, beta ]
 
 # A workflow run is made up of one or more jobs that can run sequentially or in parallel
 jobs: