specify plugin branch for test to find new npmjs package

.github/workflows/brand-plugin-test.yml

@@ -32,6 +32,7 @@ jobs:
       module-repo: ${{ github.repository }}
       module-branch: ${{ needs.setup.outputs.branch }}
       plugin-repo: 'bluehost/bluehost-wordpress-plugin'
+      plugin-branch: 'update/runtime-npmjs'
       sync-npm-package: true
       sync-npm-package-name: 'newfold/wp-module-ecommerce'
     secrets: inherit