DOP-5448: Re-add automated Bump triggers (#586)

Author: rayangler

.github/workflows/generate-bump-pages.yml

@@ -1,7 +1,20 @@
 name: Check & deploy API documentation
 
 on:
+  # For deployments
   workflow_dispatch: # Allow manual trigger in case of quick fix
+  push:
+    branches:
+      - main
+    paths:
+      - 'openapi/**.json'
+
+  # For previews
+  pull_request:
+    branches:
+      - main
+    paths:
+      - 'openapi/**.json'
 
 permissions:
   contents: read