Bump org.jetbrains.kotlinx:kotlinx-serialization-json (#407)

Bumps [org.jetbrains.kotlinx:kotlinx-serialization-json](https://github.com/Kotlin/kotlinx.serialization) from 1.7.3 to 1.8.0.
- [Release notes](https://github.com/Kotlin/kotlinx.serialization/releases)
- [Changelog](https://github.com/Kotlin/kotlinx.serialization/blob/master/CHANGELOG.md)
- [Commits](Kotlin/kotlinx.serialization@v1.7.3...v1.8.0)

---
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] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

gradle/libs.versions.toml

@@ -7,7 +7,7 @@ agp = "8.7.3"
 kotlin = "2.1.0"
 kotlinx-coroutines = "1.10.1"
 kotlinx-datetime = "0.6.1"
-kotlinx-serialization = "1.7.3"
+kotlinx-serialization = "1.8.0"
 google-ksp = "2.1.0-1.0.29"
 google-services = "4.4.2"
 google-services-base = "18.5.0"