chore(deps): bump kotlin.version from 1.9.25 to 2.0.20

Bumps `kotlin.version` from 1.9.25 to 2.0.20.

Updates `org.jetbrains.kotlin:kotlin-bom` from 1.9.25 to 2.0.20
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/v2.0.20/ChangeLog.md)
- [Commits](JetBrains/kotlin@v1.9.25...v2.0.20)

Updates `org.jetbrains.kotlin:kotlin-maven-plugin` from 1.9.25 to 2.0.20

---
updated-dependencies:
- dependency-name: org.jetbrains.kotlin:kotlin-bom
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: org.jetbrains.kotlin:kotlin-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

pom.xml

@@ -83,7 +83,7 @@
 		<jsr305.version>3.0.2</jsr305.version>
 		<jetbrains.annotations.version>24.1.0</jetbrains.annotations.version>
 
-		<kotlin.version>1.9.25</kotlin.version>
+		<kotlin.version>2.0.20</kotlin.version>
 		<kotlin.compiler.jvmTarget>${maven.compiler.source}</kotlin.compiler.jvmTarget>
 		<kotlin.coroutine.version>1.8.1</kotlin.coroutine.version>
 		<!-- https://kotlin.github.io/dokka/1.7.10/user_guide/maven/usage/ -->