Bump kotlin from 1.8.22 to 1.9.0

Bumps `kotlin` from 1.8.22 to 1.9.0.

Updates `org.jetbrains.kotlin:kotlin-gradle-plugin` from 1.8.22 to 1.9.0
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](JetBrains/kotlin@v1.8.22...v1.9.0)

Updates `org.jetbrains.kotlin:kotlin-serialization` from 1.8.22 to 1.9.0
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](JetBrains/kotlin@v1.8.22...v1.9.0)

---
updated-dependencies:
- dependency-name: org.jetbrains.kotlin:kotlin-gradle-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.jetbrains.kotlin:kotlin-serialization
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

gradle/libs.versions.toml

@@ -10,7 +10,7 @@ decompose-router = "0.3.0"
 essenty = "1.1.0"
 harawata-appdirs = "1.2.1"
 horologist = "0.4.11"
-kotlin = "1.8.22"
+kotlin = "1.9.0"
 kotlinx-coroutines = "1.7.2"
 kotlinx-datetime = "0.4.0"
 kotlinx-serialization = "1.5.1"