Update kotlin monorepo

Author: renovate[bot]

gradle/libs.versions.toml

@@ -5,7 +5,7 @@ intellij = "2.11.0"
 jacoco = "0.8.13"
 jdkRelease = "21"
 # https://plugins.jetbrains.com/docs/intellij/using-kotlin.html#bundled-stdlib-versions
-kotlin = "2.2.20"
+kotlin = "2.4.0-mars-412"
 kover = "0.9.7"
 leviathan = "3.1.0"
 # Support Kotlin 2.2.20 https://github.com/ktorio/ktor/releases/tag/3.3.1