Bump kotlin.version from 2.0.0 to 2.0.20

Bumps `kotlin.version` from 2.0.0 to 2.0.20.

Updates `org.jetbrains.kotlin:kotlin-stdlib` from 2.0.0 to 2.0.20
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](JetBrains/kotlin@v2.0.0...v2.0.20)

Updates `org.jetbrains.kotlin:kotlin-maven-plugin` from 2.0.0 to 2.0.20

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

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

pom.xml

@@ -34,7 +34,7 @@
     </developers>
 
     <properties>
-        <kotlin.version>2.0.0</kotlin.version>
+        <kotlin.version>2.0.20</kotlin.version>
         <project.encoding>UTF-8</project.encoding>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <kotlin.compiler.incremental>true</kotlin.compiler.incremental>