Bump jvm from 1.9.10 to 1.9.21

Bumps [jvm](https://github.com/JetBrains/kotlin) from 1.9.10 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@v1.9.10...v1.9.21)

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

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

build.gradle.kts

@@ -2,7 +2,7 @@ import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
 plugins {
     application
-    kotlin("jvm") version "1.9.10"
+    kotlin("jvm") version "1.9.21"
     id("me.champeau.jmh") version "0.7.1"
 }