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

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

@@ -20,7 +20,7 @@ import cn.rtast.fancybot.util.toByteArray
 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.awt.Color
 import java.awt.Font
 import java.awt.image.BufferedImage
@@ -56,7 +56,7 @@ class WeatherCommand : BaseCommand() {
         return emptyImage.toByteArray().encodeToBase64()
     }
 
-    override suspend fun executeGroup(listener: OBMessage, message: GroupMessage, args: List<String>) {
+    override suspend fun executeGroup(listener: OneBotListener, message: GroupMessage, args: List<String>) {
         if (args.isEmpty()) {
             val msg = MessageChain.Builder()
                 .addAt(message.sender.userId)