merged isn’t a valid event. Also try using v4-beta

Author: matt-aitken

.github/workflows/pr-preview.yml

@@ -2,7 +2,7 @@ name: PR Preview Deploy
 
 on:
   pull_request:
-    types: [opened, synchronize, reopened, closed, merged]
+    types: [opened, synchronize, reopened, closed]
 
 jobs:
   deploy-preview:
@@ -21,6 +21,6 @@ jobs:
         run: npm ci
 
       - name: Deploy to Preview Environment
-        run: npx trigger.dev@0.0.0-re2-20250526171351 deploy --env preview -a https://test-cloud.trigger.dev --self-hosted
+        run: npx trigger.dev@v4-beta deploy --env preview -a https://test-cloud.trigger.dev --self-hosted
         env:
           TRIGGER_ACCESS_TOKEN: ${{ secrets.TRIGGER_ACCESS_TOKEN }}