main branch の push workflow に storybook の自動テストを追加

.github/workflows/sample.yml

@@ -39,6 +39,12 @@ jobs:
       - name: Run Unit Tests
         run: yarn test
 
+      - name: Run Storybook
+        run: yarn storybook
+
+      - name: Run Storybook Tests
+        run: yarn storybook:test
+
       - name: Install Playwright
         run: npx playwright install --with-deps