Update Kotlin from 2.0.20 to 2.0.21 (patch) (#826)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

gradle/libs.versions.toml

@@ -38,7 +38,7 @@ kotlin-target = "1.4.32"
 # Actual Kotlin language and API version for compilation, it restricts language features and metadata.
 kotlin-language = "1.4"
 # Version of Kotlin Gradle Plugin used for compilation.
-kotlin-build = "2.0.20"
+kotlin-build = "2.0.21"
 # Dokka is sometimes lagging behind and is not using the same release vehicle as Kotlin main.
 kotlin-dokka = "1.9.20"
 

graph/build.gradle.kts

@@ -5,7 +5,7 @@ plugins {
 	id("org.gradle.java-gradle-plugin")
 	id("org.gradle.maven-publish")
 	id("org.openjfx.javafxplugin") version "0.0.14"
-	id("org.jetbrains.kotlin.jvm") version "2.0.20"
+	id("org.jetbrains.kotlin.jvm") version "2.0.21"
 	id("io.gitlab.arturbosch.detekt") version "1.23.7"
 	id("org.gradle.idea")
 	id("net.twisterrob.gradle.build.webjars")