Update kotlin monorepo to v2.4.0-RC2

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
org.jetbrains.kotlin:kotlin-gradle-plugin (source)	2.4.0-RC → 2.4.0-RC2
org.jetbrains.kotlin:kotlin-reflect (source)	2.4.0-RC → 2.4.0-RC2
org.jetbrains.kotlin:kotlin-metadata-jvm (source)	2.4.0-RC → 2.4.0-RC2

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Release Notes

JetBrains/kotlin (org.jetbrains.kotlin:kotlin-gradle-plugin)

v2.4.0-RC2: Kotlin 2.4.0-RC2

Changelog

Backend. J2KLIB

• KT-86367 [JKLIB] kotlin.Cloneable built-in class not found

Compose compiler

• b/511102714 Made the default stability of non-final classes Unknown
  instead of Stable

Tools. Build Tools API

• KT-86395 [BTA] forward-compatibility violation: NoSuchMethodError on JvmSnapshotBasedIncrementalCompilationConfiguration. breaks IC

Tools. Gradle

• KT-86346 Compiler warnings printed twice in console — once as w: and again as Gradle "Problem found:" block

Tools. Gradle. BCV

• KT-86268 ABI validation tasks fail with Unsupported platform toolchain type when using kotlin.compilerVersion pointing to an older compiler after BTA migration in 2.4.0-Beta2

Tools. Gradle. Wasm

• KT-86457 [Wasm, Gradle] BinaryenExec.standardOutput is silently ignored after migration to Gradle Workers

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