upgrade kotlin - 2.1.0

Bumps [jvm](https://github.com/JetBrains/kotlin) from 2.0.21 to 2.1.0.
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/v2.1.0/ChangeLog.md)
- [Commits](JetBrains/kotlin@v2.0.21...v2.1.0)

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

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

build.gradle.kts

@@ -9,7 +9,7 @@ import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 plugins {
     application
     // https://kotlinlang.org/docs/releases.html#release-details
-    kotlin("jvm") version "2.0.21"
+    kotlin("jvm") version "2.1.0"
     // https://github.com/jeremymailen/kotlinter-gradle/releases
     id("org.jmailen.kotlinter") version "5.0.0"
     // https://github.com/Kotlin/kotlinx-kover/releases