add deploy preview step to test-deploy

Author: acolytec3

.github/workflows/test-deploy.yaml

@@ -2,10 +2,6 @@ name: Test deployment
 
 on:
   pull_request:
-    branches:
-      - main
-    # Review gh actions docs if you want to further define triggers, paths, etc
-    # https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#on
   workflow_dispatch:
 
 jobs: