Bump kotlin from 2.0.20-RC2 to 2.0.20 (#388)

Bumps `kotlin` from 2.0.20-RC2 to 2.0.20.

Updates `org.jetbrains.kotlin.jvm` from 2.0.20-RC2 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@v2.0.20-RC2...v2.0.20)

Updates `org.jetbrains.kotlin.plugin.serialization` from 2.0.20-RC2 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@v2.0.20-RC2...v2.0.20)

Updates `org.jetbrains.kotlin.plugin.parcelize` from 2.0.20-RC2 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@v2.0.20-RC2...v2.0.20)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

gradle/libs.versions.toml

@@ -1,5 +1,5 @@
 [versions]
-kotlin = "2.0.20-RC2"
+kotlin = "2.0.20"
 serialization = "1.7.2"
 
 [libraries]