fix(macos): Homebrew 6 第三方 tap 信任门 —— 文档补 brew trust,fresh-install 加 brew 验证段 - #420

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