chore(deps): bump jvm from 2.1.20 to 2.1.21

Bumps [jvm](https://github.com/JetBrains/kotlin) from 2.1.20 to 2.1.21.
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](https://github.com/JetBrains/kotlin/commits)

---
updated-dependencies:
- dependency-name: jvm
  dependency-version: 2.1.21
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

build.gradle.kts

@@ -26,7 +26,7 @@ val commonsIoVersion = "2.19.0"
 
 plugins {
     id("application")
-    kotlin("jvm") version "2.1.20"
+    kotlin("jvm") version "2.1.21"
     id("com.diffplug.spotless") version "7.0.3"
     id("com.gradleup.shadow") version "8.3.6"
     id("com.github.ben-manes.versions") version "0.52.0"