feat: add zibi and unset zibi command, bump rob to 1.8.4

src/main/kotlin/cn/rtast/fancybot/commands/FKXQSCommand.kt

@@ -12,12 +12,12 @@ import cn.rtast.fancybot.util.Http
 import cn.rtast.rob.entity.GroupMessage
 import cn.rtast.rob.util.BaseCommand
 import cn.rtast.rob.util.ob.MessageChain
-import cn.rtast.rob.util.ob.OBMessage
+import cn.rtast.rob.util.ob.OneBotListener
 
 class FKXQSCommand : BaseCommand() {
     override val commandNames = listOf("/fkxqs", "/fk", "/疯狂星期四")
 
-    override suspend fun executeGroup(listener: OBMessage, message: GroupMessage, args: List<String>) {
+    override suspend fun executeGroup(listener: OneBotListener, message: GroupMessage, args: List<String>) {
         val response = Http.get<FKXQS>("https://api.shadiao.pro/kfc").data.text
         val msg = MessageChain.Builder()
             .addAt(message.sender.userId)