add action docker buildx

.gitea/workflows/build.yml

@@ -45,6 +45,9 @@ jobs:
 #      - run: node -v
       # 下载仓库源码，依赖node环境，因此构建服务器本地需要下载安装node并设置环境变量
 
+      - name: Set up Docker Buildx
+        uses: http://139.9.216.111:3000/bamanker/setup-buildx-action@v3
+
       - name: Checkout repository code
         #使用自定义仓库action
         uses: http://139.9.216.111:3000/bamanker/checkout@v4