build(deps): Bump kotlin from 1.9.20-RC to 1.9.20

Bumps `kotlin` from 1.9.20-RC to 1.9.20.

Updates `org.jetbrains.kotlin:kotlin-gradle-plugin` from 1.9.20-RC to 1.9.20
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](https://github.com/JetBrains/kotlin/commits)

Updates `org.jetbrains.kotlin.jvm` from 1.9.20-RC to 1.9.20
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](https://github.com/JetBrains/kotlin/commits)

Updates `org.jetbrains.kotlin.plugin.sam.with.receiver` from 1.9.20-RC to 1.9.20
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](https://github.com/JetBrains/kotlin/commits)

---
updated-dependencies:
- dependency-name: org.jetbrains.kotlin:kotlin-gradle-plugin
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.jetbrains.kotlin.jvm
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.jetbrains.kotlin.plugin.sam.with.receiver
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

gradle/libs.versions.toml

@@ -21,7 +21,7 @@ kotlinCoreLibraries = "1.8.22"
 # Kotlin version, aligned with Compose Multiplatform
 # https://mvnrepository.com/artifact/org.jetbrains.kotlin/kotlin-gradle-plugin
 # https://github.com/JetBrains/kotlin/releases
-kotlin = "1.9.20-RC"
+kotlin = "1.9.20"
 
 # Compose Multiplatform from JetBrains
 # https://github.com/JetBrains/compose-multiplatform/releases