Bump kotlin from 2.0.0 to 2.0.20

Bumps `kotlin` from 2.0.0 to 2.0.20.

Updates `org.jetbrains.kotlin.multiplatform` 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.plugin.compose` 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)

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

Signed-off-by: dependabot[bot] <support@github.com>

gradle/libs.versions.toml

@@ -12,7 +12,7 @@ androidGradlePlugin = "8.6.0"
 junit = "4.13.2"
 junitJupiterEngine = "5.11.0"
 junitJupiterApi = "5.11.0"
-kotlin = "2.0.0"
+kotlin = "2.0.20"
 lifecycleRuntimeKtx = "2.8.5"
 material = "1.6.8"
 kotlinxCoroutinesCore = "1.8.1"