actions changes

Author: jukent

.github/workflows/trigger-preview.yaml

@@ -2,7 +2,7 @@ name: trigger-preview
 on:
   workflow_run:
     workflows:
-      - trigger-book-build
+      - trigger-site-build
     types:
       - requested
       - completed
@@ -18,6 +18,7 @@ jobs:
       artifact_name: book-zip-${{ needs.find-pull-request.outputs.number }}
       destination_dir: _preview/${{ needs.find-pull-request.outputs.number }} # deploy to subdirectory labeled with PR number
       is_preview: "true"
+      publish_dir: 'portal/_build/html'
 
   preview-comment:
     needs: find-pull-request