fix(web): 任务详情面板头部——长标题防挤出 + 复制按钮合并为下拉菜单（源码同步构建） - #2966

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: thehanimo/pr-title-checker@v1.4.3. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/