Add missing %APPEND% param in Weibo.sgmodule

Surge/Surge 3/Module/Weibo.sgmodule

@@ -6,4 +6,4 @@
 http-response ^https?://(sdk|wb)app\.uve\.weibo\.com(/interface/sdk/sdkad.php|/wbapplua/wbpullad.lua) requires-body=1,script-path=https://raw.githubusercontent.com/yichahucha/surge/master/wb_launch.js
 http-response ^https?://m?api\.weibo\.c(n|om)/2/(statuses/(unread|extend|positives/get|(friends|video)(/|_)(mix)?timeline)|stories/(video_stream|home_list)|(groups|fangle)/timeline|profile/statuses|comments/build_comments|photo/recommend_list|service/picfeed|searchall|cardlist|page|!/(photos/pic_recommend_status|live/media_homelist)|video/tiny_stream_video_list|photo/info) requires-body=1,max-size=-1,script-path=https://raw.githubusercontent.com/yichahucha/surge/master/wb_ad.js
 [MITM]
-hostname = api.weibo.cn, mapi.weibo.com, *.uve.weibo.com
+hostname = %APPEND% api.weibo.cn, mapi.weibo.com, *.uve.weibo.com