chore: update readme

Author: crpmax

README.md

@@ -1,7 +1,7 @@
 # Minecraft bot stress tester
 🤖 A simple open source app written in Java used for stress testing Minecraft servers with bots (fake players).  
 💥 It can be also used to test plugins or minigames.  
-✔️ The MC version of the bots is 1.21.2, supports 1.21.3
+✔️ The MC version of the bots is 1.21.4
 For older MC versions please look in the [releases](https://github.com/crpmax/mc-bots/releases " releases").
 
 ## 🆒 Features
@@ -21,7 +21,7 @@ Use of pre-compiled jar from [releases](https://github.com/crpmax/mc-bots/releas
 When running, you can write a chat message to the terminal to send it by all bots.
 
 ## 🧪 Example
-`java -jar mc-bots-1.2.12.jar -s 192.168.0.189:25565 -p BOT_ -d 4000 5000 -c 30 -r`  
+`java -jar mc-bots-1.2.14.jar -s 192.168.0.189:25565 -p BOT_ -d 4000 5000 -c 30 -r`  
 This will connect 30 bots to server at 192.168.0.189:25565 with delay 4000-5000 ms and will use real-looking nicknames prefixed with BOT_
 
 <img src="https://imgur.com/XWcckas.png" title="Connected bots" width="350px"/>