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

Bumps [org.jetbrains.kotlinx:kotlinx-serialization-core](https://github.com/Kotlin/kotlinx.serialization) from 1.6.3 to 1.7.0.
- [Release notes](https://github.com/Kotlin/kotlinx.serialization/releases)
- [Changelog](https://github.com/Kotlin/kotlinx.serialization/blob/master/CHANGELOG.md)
- [Commits](Kotlin/kotlinx.serialization@v1.6.3...v1.7.0)

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

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

gradle/libs.versions.toml

@@ -1,6 +1,6 @@
 [versions]
 kotlin = "1.9.23"
-kotlinx-serialization = "1.6.3"
+kotlinx-serialization = "1.7.0"
 benchmark = "0.4.10"
 
 [libraries]