Fix: Update comment to Chinese for consistency

Co-authored-by: sj817 <74231782+sj817@users.noreply.github.com>

src/onebot/action/group/GetGroupMemberInfo.ts

@@ -41,7 +41,7 @@ class GetGroupMemberInfo extends OneBotAction<Payload, OB11GroupMember> {
   }
 
   async _handle (payload: Payload) {
-    // Handle special case of 'all' which is used for @all mentions
+    // 处理 'all' 的特殊情况，用于 @全体成员
     if (payload.user_id === 'all') {
       throw new Error('无法获取全体成员的信息，user_id 不能为 "all"');
     }