Bump jvm from 1.9.20 to 1.9.21 (#20)

Bumps [jvm](https://github.com/JetBrains/kotlin) from 1.9.20 to 1.9.21.
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](JetBrains/kotlin@v1.9.20...v1.9.21)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

build.gradle.kts

@@ -5,7 +5,7 @@ import com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar
 plugins {
     id("org.sonarqube") version "4.0.0.2929"
     id("com.github.johnrengelman.shadow") version "8.1.1" apply false
-    kotlin("jvm") version "1.9.20"
+    kotlin("jvm") version "1.9.21"
 
     java
     `maven-publish`