更新 GitHub Actions 工作流，将步骤名称翻译为中文，并调整 Docker Buildx 的版本号。

.github/workflows/docker-build.yml

@@ -7,20 +7,20 @@ jobs:
   build-push:
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout code
+      - name: 拉取代码
         uses: actions/checkout@v4
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v4
+        uses: docker/setup-buildx-action@v3
 
-      - name: Login to Docker Registry
+      - name: 登录到Docker Registry
         uses: docker/login-action@v3
         with:
           registry: your-registry.com  # 替换为自建 Registry 的地址
           username: ${{ secrets.DOCKER_USER }}
           password: ${{ secrets.DOCKER_PASSWORD }}
 
-      - name: Build and push Docker image
+      - name: 打包并发布镜像
         uses: docker/build-push-action@v5
         with:
           context: .