Bump kotlin from 1.9.21 to 1.9.23

Bumps `kotlin` from 1.9.21 to 1.9.23.

Updates `org.jetbrains.kotlin.jvm` from 1.9.21 to 1.9.23
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/v1.9.23/ChangeLog.md)
- [Commits](JetBrains/kotlin@v1.9.21...v1.9.23)

Updates `org.jetbrains.kotlin.plugin.serialization` from 1.9.21 to 1.9.23
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/v1.9.23/ChangeLog.md)
- [Commits](JetBrains/kotlin@v1.9.21...v1.9.23)

---
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
...

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

gradle/libs.versions.toml

@@ -1,7 +1,7 @@
 [versions]
 coroutines = "1.7.3"
 dokka = "1.9.20"
-kotlin = "1.9.21"
+kotlin = "1.9.23"
 foojay = "0.8.0"
 spotless = "6.25.0"
 java = "17"