Bump jvm from 1.7.21 to 1.9.20

Bumps [jvm](https:/JetBrains/kotlin) from 1.7.21 to 1.9.20.
- [Release notes](https:/JetBrains/kotlin/releases)
- [Changelog](https:/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](https:/JetBrains/kotlin/commits)

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

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

build.gradle.kts

@@ -4,7 +4,7 @@ plugins {
  java
  jacoco
  id("maven-publish")
- kotlin("jvm") version "1.7.21"
+ kotlin("jvm") version "1.9.20"
  id("java-gradle-plugin")
  id("org.cadixdev.licenser") version "0.6.1"
  id("com.gradle.plugin-publish") version "1.2.1"