fix: main preview build action (#460)

Author: gorgeousvlad

.github/workflows/main-preview.yml

@@ -21,7 +21,7 @@ jobs:
         run: npm ci
         shell: bash
       - name: Build Storybook
-        run: npx build-storybook
+        run: npx sb build
         shell: bash
       - name: Upload to S3
         uses: gravity-ui/preview-upload-to-s3-action@v1