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-test-junit5` 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-reflect` 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-test-junit5
  dependency-type: direct:development
  update-type: version-update:semver-patch
- dependency-name: org.jetbrains.kotlin:kotlin-reflect
  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]>

Author: dependabot[bot]

pom.xml

@@ -144,7 +144,7 @@
     <jmh.version>1.37</jmh.version>
     <junit.version>5.11.0</junit.version>
     <log4j.version>2.24.0</log4j.version>
-    <kotlin.version>2.0.0</kotlin.version>
+    <kotlin.version>2.0.20</kotlin.version>
     <kotlinx.coroutines.version>1.6.4</kotlinx.coroutines.version>
     <mockito-kotlin.version>4.1.0</mockito-kotlin.version>