config: update gh-pages build command

Author: hotoo

.github/workflows/gh-pages.yml

@@ -21,7 +21,7 @@ jobs:
       - name: Install dependencies
         run: pnpm install
       - name: Build project
-        run: pnpm build & pnpm build:tsc & pnpm build:amd
+        run: pnpm build
       - name: Build with dumi
         # 文档编译命令，如果是 react 模板需要修改为 npm run docs:build
         run: pnpm doc:build