docs(api): trial 配额两个数字与真实 0.8.8 不符;一处行号 pin 已漂到无关代码 - #810

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