fix(webgal): 预览基线有效期绑定编辑指针，修复保存后丢失继承变换字段 - #1037

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v2, actions/setup-node@v3. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/