fix(macos): 重打包级补丁在 macOS 全链路可用——看护启动崩溃 / asar 写锁 / crashpad 泄漏误判退出 / 测试修复 - #4

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4, actions/setup-node@v4, actions/setup-python@v5, actions/upload-artifact@v4. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/