stop triggering review app deployment on opening of pr

Author: Judahmeek

.github/workflows/deploy-to-control-plane-review-app.yml

@@ -5,7 +5,7 @@ run-name: Deploy PR Review App - PR #${{ github.event.pull_request.number || git
 # Controls when the workflow will run
 on:
   pull_request:
-    types: [opened, synchronize, reopened]
+    types: [synchronize, reopened]
   issue_comment:
     types: [created]
   workflow_dispatch: