Bump the core-libs group across 1 directory with 3 updates

Bumps the core-libs group with 3 updates in the / directory: [org.jetbrains.kotlinx:kotlinx-serialization-json](https://github.com/Kotlin/kotlinx.serialization), [org.jetbrains.kotlin.jvm](https://github.com/JetBrains/kotlin) and [org.jetbrains.kotlin.plugin.serialization](https://github.com/JetBrains/kotlin).


Updates `org.jetbrains.kotlinx:kotlinx-serialization-json` from 1.6.1 to 1.7.0
- [Release notes](https://github.com/Kotlin/kotlinx.serialization/releases)
- [Changelog](https://github.com/Kotlin/kotlinx.serialization/blob/master/CHANGELOG.md)
- [Commits](Kotlin/kotlinx.serialization@v1.6.1...v1.7.0)

Updates `org.jetbrains.kotlin.jvm` from 1.9.21 to 2.0.0
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](JetBrains/kotlin@v1.9.21...v2.0.0)

Updates `org.jetbrains.kotlin.plugin.serialization` from 1.9.21 to 2.0.0
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](JetBrains/kotlin@v1.9.21...v2.0.0)

Updates `org.jetbrains.kotlin.plugin.serialization` from 1.9.21 to 2.0.0
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](JetBrains/kotlin@v1.9.21...v2.0.0)

---
updated-dependencies:
- dependency-name: org.jetbrains.kotlinx:kotlinx-serialization-json
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: core-libs
- dependency-name: org.jetbrains.kotlin.jvm
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: core-libs
- dependency-name: org.jetbrains.kotlin.plugin.serialization
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: core-libs
- dependency-name: org.jetbrains.kotlin.plugin.serialization
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: core-libs
...

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

gradle/libs.versions.toml

@@ -1,11 +1,11 @@
 [versions]
 coroutines = "1.7.3"
 dokka = "1.9.20"
-kotlin = "1.9.21"
+kotlin = "2.0.0"
 foojay = "0.8.0"
 spotless = "6.25.0"
 java = "17"
-kotlinxSerialization = "1.6.1"
+kotlinxSerialization = "1.7.0"
 nimbusJoseJwt = "9.37.3"
 ktlint = "0.50.0"
 sonarqube = "5.0.0.4638"