Add storybook build step to deploy workflow

Author: mwarman

.github/workflows/reusable-deploy.yml

@@ -59,6 +59,9 @@ jobs:
       - name: Build the app
         run: npm run build
 
+      - name: Build storybook
+        run: npm run build:storybook
+
       - name: Configure AWS credentials
         uses: aws-actions/configure-aws-credentials@v6.0.0
         with: