fix: fix not building due to old kotlin version

Author: duruer

build.gradle.kts

@@ -1,8 +1,8 @@
 import org.jetbrains.kotlin.gradle.dsl.JvmTarget
 
 plugins {
-    kotlin("jvm") version "1.9.20"
-    kotlin("kapt") version "1.9.20"
+    kotlin("jvm") version "2.0.21"
+    kotlin("kapt") version "2.0.21"
     id("com.github.johnrengelman.shadow") version "8.1.1"
     `maven-publish`
 }