build(deps): bump plugin.serialization from 2.0.0-Beta3 to 2.0.0-RC2

Bumps [plugin.serialization](https://github.com/JetBrains/kotlin) from 2.0.0-Beta3 to 2.0.0-RC2.
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/v2.0.0-RC2/ChangeLog.md)
- [Commits](JetBrains/kotlin@v2.0.0-Beta3...v2.0.0-RC2)

---
updated-dependencies:
- dependency-name: plugin.serialization
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

build.gradle.kts

@@ -21,7 +21,7 @@ import org.jetbrains.kotlin.gradle.targets.js.yarn.YarnRootExtension
 
 plugins {
   kotlin("multiplatform") version "2.0.0-Beta3" apply false
-  kotlin("plugin.serialization") version "2.0.0-Beta3" apply false
+  kotlin("plugin.serialization") version "2.0.0-RC2" apply false
   alias(libs.plugins.testlogger) apply false
   alias(libs.plugins.kotlinx.benchmark) apply false