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

src/main/kotlin/cn/rtast/fancybot/commands/lookup/NslookupCommand.kt

@@ -10,13 +10,13 @@ package cn.rtast.fancybot.commands.lookup
 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
 import java.net.InetAddress
 
 class NslookupCommand : BaseCommand() {
     override val commandNames = listOf("/nslookup", "/ns")
 
-    override suspend fun executeGroup(listener: OBMessage, message: GroupMessage, args: List<String>) {
+    override suspend fun executeGroup(listener: OneBotListener, message: GroupMessage, args: List<String>) {
         val msg = MessageChain.Builder()
             .addReply(message.messageId)
             .addText("域名: ${args.first()}解析后的IP地址为: ")