Bump org.jetbrains.kotlinx:kotlinx-serialization-json

Bumps [org.jetbrains.kotlinx:kotlinx-serialization-json](https://github.com/Kotlin/kotlinx.serialization) from 1.5.1 to 1.6.3.
- [Release notes](https://github.com/Kotlin/kotlinx.serialization/releases)
- [Changelog](https://github.com/Kotlin/kotlinx.serialization/blob/master/CHANGELOG.md)
- [Commits](Kotlin/kotlinx.serialization@v1.5.1...v1.6.3)

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

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

gradle/libs.versions.toml

@@ -12,7 +12,7 @@ horologist = "0.4.11"
 kotlin = "1.9.20"
 kotlinx-coroutines = "1.7.2"
 kotlinx-datetime = "0.4.0"
-kotlinx-serialization = "1.5.1"
+kotlinx-serialization = "1.6.3"
 kstore = "0.7.1"
 ktor = "2.3.6"
 molecule = "1.2.0"