Bump org.jetbrains.kotlin.jvm from 2.0.20 to 2.0.21

Bumps [org.jetbrains.kotlin.jvm](https://github.com/JetBrains/kotlin) from 2.0.20 to 2.0.21.
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/v2.0.21/ChangeLog.md)
- [Commits](JetBrains/kotlin@v2.0.20...v2.0.21)

---
updated-dependencies:
- dependency-name: org.jetbrains.kotlin.jvm
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

build.gradle

@@ -4,7 +4,7 @@ import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 plugins {
 	id 'fabric-loom' version '1.8.2'
 	id 'org.jetbrains.kotlin.plugin.serialization' version '2.0.20'
-	id "org.jetbrains.kotlin.jvm" version "2.0.20"
+	id "org.jetbrains.kotlin.jvm" version "2.0.21"
 	id "com.modrinth.minotaur" version "2.+"
 }