fix(polish): 润色流式请求让取消检测和网络等待赛跑，不再悬挂到 budget 结束 - #1001

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. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/