Bump kotlinx-serialization from 1.6.2 to 1.6.3

Bumps `kotlinx-serialization` from 1.6.2 to 1.6.3.

Updates `org.jetbrains.kotlinx:kotlinx-serialization-core` from 1.6.2 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@v1.6.2...v1.6.3)

Updates `org.jetbrains.kotlinx:kotlinx-serialization-json` from 1.6.2 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@v1.6.2...v1.6.3)

Updates `org.jetbrains.kotlinx:kotlinx-serialization-protobuf` from 1.6.2 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@v1.6.2...v1.6.3)

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

Signed-off-by: dependabot[bot] <[email protected]>

gradle/libs.versions.toml

@@ -17,7 +17,7 @@ kotlin = "2.0.0"
 okhttp = "4.12.0"
 protobuf = "3.25.2"
 robovm = "2.3.21"
-kotlinx-serialization = "1.6.2"
+kotlinx-serialization = "1.6.3"
 
 [plugins]
 kotlin-jvm = { id = "org.jetbrains.kotlin.jvm", version.ref = "kotlin" }