chore: update group code path (#3880)

Author: uyarn

README.md

@@ -82,7 +82,7 @@ npm run dev
 
 有任何问题，建议通过 [Github issues](https://github.com/Tencent/tdesign-miniprogram/issues) 反馈或扫码加入用户微信群。
 
-<img src="https://raw.githubusercontent.com/Tencent/tdesign/main/packages/components/src/images/groups/wx-group.png" width="200" />
+<img src="https://raw.githubusercontent.com/Tencent/tdesign/main/packages/site-components/src/images/groups/wx-group.png" width="200" />
 
 ## 开源协议