build: bump jvm from 2.1.10 to 2.1.20

Bumps [jvm](https://github.com/JetBrains/kotlin) from 2.1.10 to 2.1.20.
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](https://github.com/JetBrains/kotlin/compare/v2.1.10...v2.1.20)

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

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

build.gradle.kts

@@ -2,8 +2,8 @@ import org.jetbrains.kotlin.gradle.dsl.JvmTarget
 
 plugins {
     // Apply the org.jetbrains.kotlin.jvm Plugin to add support for Kotlin.
-    kotlin("jvm") version "2.0.20"
+    kotlin("jvm") version "2.1.20"
-    id("org.jetbrains.dokka") version "1.9.20"
+    id("org.jetbrains.dokka") version "2.0.0"
 
     // Apply the java-library plugin for API and implementation separation.
     `java-library`