Replace checkout action with direct git clone command in test.yaml

.gitea/workflows/test.yaml

@@ -10,14 +10,9 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      # 显式使用 gitea.com 上的 checkout 镜像
       - name: Checkout Code
-        uses: https://git.dev.cereflow.cn/mirror/checkout@v6
+        run: |
-        with:
+          git clone https://cantyonion.site/git/cantyonion/leetcode.git .
-          # 对于镜像仓库，建议显式指定 fetch-depth 确保获取完整历史（如果需要）
-          fetch-depth: 1
-          server-url: https://cantyonion.site/git
-          repository: cantyonion/leetcode
 
       - name: Configure CMake
         # -B build 创建构建目录，-S . 指定源代码在当前目录