Don't re-run on synchronize or label events (#44075)

.github/workflows/azure-preview-env-deploy.yml

@@ -17,12 +17,6 @@ on:
   # unlike 'pull_request_target', these only have secrets if the pull
   # request creator has permission to access secrets.
   pull_request_target:
-    types:
-      # In case someone puts the 'preview-with-translations' label on the PR
-      - opened
-      - synchronize
-      - reopened
-      - labeled
   merge_group:
   workflow_dispatch:
     inputs: