Update plugin org.jetbrains.kotlin.jvm to v2

Author: renovate[bot]

build.gradle.kts

@@ -6,7 +6,7 @@ import xyz.jpenilla.runpaper.task.RunServer
 import java.util.*
 
 plugins {
-    kotlin("jvm") version "1.9.22"
+    kotlin("jvm") version "2.0.20"
     id("com.github.johnrengelman.shadow") version "8.1.1"
     id("xyz.jpenilla.run-paper") version "2.2.2"
     id("net.minecrell.plugin-yml.bukkit") version "0.6.0"