Bump org.jetbrains.kotlinx:kotlinx-serialization-json (#50)

Bumps [org.jetbrains.kotlinx:kotlinx-serialization-json](https://github.com/Kotlin/kotlinx.serialization) from 1.6.0 to 1.6.2.
- [Release notes](https://github.com/Kotlin/kotlinx.serialization/releases)
- [Changelog](https://github.com/Kotlin/kotlinx.serialization/blob/master/CHANGELOG.md)
- [Commits](Kotlin/kotlinx.serialization@v1.6.0...v1.6.2)

---
updated-dependencies:
- dependency-name: org.jetbrains.kotlinx:kotlinx-serialization-json
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

gradle/libs.versions.toml

@@ -13,7 +13,7 @@ androidxJunit = "1.1.3"
 kotlin = "1.8.20"
 kluent = "1.73"
 kotlinxCoroutines = "1.7.3"
-kotlinxSerialization = "1.6.0"
+kotlinxSerialization = "1.6.2"
 ksp = "1.8.21-1.0.11"
 okhttp = "4.12.0"
 retrofit = "2.9.0"