ci(workflows): 增加 Docker Buildx 设置步骤

- 在 GitHub Actions 工作流中添加 Docker Buildx 配置
- 使用最新的 moby/buildkit 镜像作为驱动选项
- 优化构建环境以支持多平台构建功能

.gitea/workflows/docker.yml

@@ -16,6 +16,12 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+        with:
+          driver: docker-container
+          driver-opts: image=moby/buildkit:latest
+
       - name: Cache Docker layers
         uses: actions/cache@v4
         with:
@@ -23,7 +29,6 @@ jobs:
           key: ${{ runner.os }}-buildx-${{ github.sha }}
           restore-keys: |
             ${{ runner.os }}-buildx-
-
       - name: Extract version
         id: version
         run: |