build prod with mocking env

Author: jupe

.github/workflows/github_pages.yml

@@ -26,7 +26,7 @@ jobs:
             ${{ runner.os }}-node-
 
       - run: npm ci
-      - run: npm run dev-mock
+      - run: NODE_ENV=development npm run build:prod
 
       - name: deploy
         uses: peaceiris/actions-gh-pages@v3