Bump org.jetbrains.kotlin.jvm from 2.1.0 to 2.1.20

Bumps [org.jetbrains.kotlin.jvm](https://github.com/JetBrains/kotlin) from 2.1.0 to 2.1.20.
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](JetBrains/kotlin@v2.1.0...v2.1.20)

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

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

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -3,7 +3,7 @@
 annotations = "26.0.2"
 
 # plugins
-kotlin = "2.1.0"
+kotlin = "2.1.20"
 changelog = "2.2.0"
 gradleIntelliJPlugin = "1.17.4"
 qodana = "0.1.13"