Bump jvm from 1.9.24 to 2.1.20

Bumps jvm from 1.9.24 to 2.1.20.

---
updated-dependencies:
- dependency-name: jvm
  dependency-version: 2.1.20
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

build.gradle.kts

@@ -1,5 +1,5 @@
 plugins {
-    kotlin("jvm") version "1.9.24"
+    kotlin("jvm") version "2.1.20"
     id("jacoco")
     id("com.github.kt3k.coveralls") version "2.12.2"
     id("com.gradle.plugin-publish") version "1.3.0"