Bump kotlinx-serialization from 1.8.0-RC to 1.8.0

Bumps `kotlinx-serialization` from 1.8.0-RC to 1.8.0.

Updates `org.jetbrains.kotlinx:kotlinx-serialization-core` from 1.8.0-RC 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@v1.8.0-RC...v1.8.0)

Updates `org.jetbrains.kotlinx:kotlinx-serialization-json` from 1.8.0-RC 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@v1.8.0-RC...v1.8.0)

---
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
...

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

gradle/libs.versions.toml

@@ -9,7 +9,7 @@ kotlinx-browser = "0.3"
 kotlinx-coroutines = "1.10.1"
 kotlinx-immutableCollections = "0.3.8"
 kotlinx-io = "0.6.0"
-kotlinx-serialization = "1.8.0-RC"
+kotlinx-serialization = "1.8.0"
 logback = "1.5.16"
 lwjgl = "3.3.6"
 mavenPublish = "0.30.0"