Update plugin org.jetbrains.kotlin.jvm to v2.1.20

Author: renovate[bot]

build.gradle.kts

@@ -12,7 +12,7 @@ val xmlunitVersion = "2.10.0"
 
 plugins {
     val springDependencyManagementVersion = "1.1.7"
-    val kotlinVersion = "2.1.10"
+    val kotlinVersion = "2.1.20"
     val adarshrTestLoggerVersion = "4.0.0"
     val sonarqubeVersion = "6.0.1.5171"
     val gradleReleasePluginVersion = "3.1.0"