```

feat(.woodpecker): 更新SSH配置以支持多平台Git仓库

更新了my-first-workflow.yaml文件中的SSH初始化步骤，将基础镜像从
alpine/git:latest更换为woodpeckerci/plugin-git，并调整了SSH密钥
存储路径以确保在不同环境下正确工作。现在SSH配置会同时创建
/root/.ssh和/app/.ssh目录，并将密钥文件放置在/app/.ssh目录下，
提高了与Woodpecker CI环境的兼容性。
```

.woodpecker/my-first-workflow.yaml

@@ -22,19 +22,19 @@ clone:
 steps:
   # SSH初始化步骤
   init-ssh:
-    image: alpine/git:latest
+    image: woodpeckerci/plugin-git
     environment:
       WOODPECKER_SSH_KEY:
         from_secret: WOODPECKER_SSH_KEY
     commands:
       - |
         # 设置SSH
-        mkdir -p ~/.ssh
-        echo "$${WOODPECKER_SSH_KEY}" > ~/.ssh/id_rsa
-        chmod 600 ~/.ssh/id_rsa
-        ssh-keyscan -H github.com >> ~/.ssh/known_hosts
-        ssh-keyscan -H bitbucket.org >> ~/.ssh/known_hosts
-        ssh-keyscan -H gitlab.com >> ~/.ssh/known_hosts
+        mkdir -p /root/.ssh /app/.ssh
+        echo "$${WOODPECKER_SSH_KEY}" > /app/.ssh/id_rsa
+        chmod 600 /app/.ssh/id_rsa
+        ssh-keyscan -H github.com >> /app/.ssh/known_hosts
+        ssh-keyscan -H bitbucket.org >> /app/.ssh/known_hosts
+        ssh-keyscan -H gitlab.com >> /app/.ssh/known_hosts
         
         # 配置git
         git config --global user.name "Woodpecker CI"