Bump jvm from 1.9.24 to 2.0.21

Bumps jvm from 1.9.24 to 2.0.21.

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

Signed-off-by: dependabot[bot] <support@github.com>

build.gradle.kts

@@ -1,5 +1,5 @@
 plugins {
-    kotlin("jvm") version "1.9.24"
+    kotlin("jvm") version "2.0.21"
     id("jacoco")
     id("com.github.kt3k.coveralls") version "2.12.2"
     id("com.gradle.plugin-publish") version "1.3.0"