update: plugin version

Author: Umjiseung

build.gradle.kts

@@ -1,6 +1,6 @@
 plugins {
-    kotlin("jvm") version "1.9.25"
-    kotlin("plugin.spring") version "1.9.25"
+    kotlin("jvm") version "2.1.0"
+    kotlin("plugin.spring") version "2.1.0"
     id("org.springframework.boot") version "3.4.1"
     id("io.spring.dependency-management") version "1.1.7"
     kotlin("plugin.jpa") version "1.9.25"