Update current-time-assistant.json

[ccdanpian]

更新域名，解决有时会出现无法访问安装问题, fix https://github.com/lobehub/lobe-chat/issues/1218

📝 信息 | Information

✅ 检查列表 | Checklist:

• [x] 我已阅读了 Readme.md
• [x] 描述是用英文编写的。
• [x] meta.json 和 plugin-template.json 没有被修改过。
• [x] entry 放置在 src 目录中，并且使用 .json 文件扩展名。

---

• [ ] I have read the Readme.md
• [ ] The description is written in English.
• [ ] The meta.json and plugin-template.json have not been modified.
• [ ] The entry is placed in the src directory with the .json file extension.

[arvinxx]

close https://github.com/lobehub/lobe-chat/issues/1218

[lobehubbot]

❤️ Great PR @ccdanpian ❤️

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