Update plugin org.jetbrains.kotlin.jvm to v2

build.gradle

@@ -31,7 +31,7 @@ buildscript {
         versionsPluginVersion = '0.51.0'
 
         // https://github.com/JetBrains/kotlin/releases
-        kotlinVersion = "1.9.23"
+        kotlinVersion = "2.0.21"
     }
 }