update workflow

.github/workflows/sync.yml

@@ -1,16 +1,20 @@
 name: Sync with S3
 
 on:
-  workflow_dispatch: #Can manually trigger
+  workflow_dispatch:
   pull_request_target:
-    types: [ closed ] #Runs on PR merge
+    types: [ closed ]
+    branches: [ main ]
+  push:
     branches: [ main ]
 
 jobs: 
   sync:
-    #PR merged with main                            #Manually triggered workflow
-    if: github.event.pull_request.merged == true || github.event_name == 'workflow_dispatch'
+    if: |
+        github.event_name == 'workflow_dispatch' ||
+        github.event.pull_request.merged == true ||
+        github.event_name == 'push'
     uses: hellocoop/tools/.github/workflows/content-sync.yml@main
     # GitHub-Slack app sends a workflow status message with live updates to #content-updates channel
     with:
-      STACK: GreenfieldStack #make sure this is the right stack value #TBD: use env
+      STACK: GreenfieldStack #make sure this is the right stack value