Update plugin org.jetbrains.kotlin.jvm to v2

Author: renovate[bot]

build.gradle.kts

@@ -3,7 +3,7 @@ import net.minecrell.pluginyml.bukkit.BukkitPluginDescription
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
 plugins {
-    kotlin("jvm") version "1.9.24"
+    kotlin("jvm") version "2.0.20"
     id("net.minecrell.plugin-yml.paper") version "0.6.0"
     id("com.modrinth.minotaur") version "2.8.7"
     id("io.papermc.hangar-publish-plugin") version "0.1.2"