Bump jvm from 1.9.24 to 2.0.21 in /kotlin-project

Bumps [jvm](https://github.com/JetBrains/kotlin) from 1.9.24 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@v1.9.24...v2.0.21)

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

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

kotlin-project/build.gradle.kts

@@ -1,5 +1,5 @@
 plugins {
-    kotlin("jvm") version "1.9.24"
+    kotlin("jvm") version "2.0.21"
     id("org.jlleitschuh.gradle.ktlint") version "11.6.1"
     id("com.coditory.build") version "0.1.20"
 }