Update dependency org.jetbrains.kotlin:kotlin-test to v2.3.21

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This PR contains the following updates:

Package	Change	Age	Confidence
org.jetbrains.kotlin:kotlin-test (source)	2.3.20 → 2.3.21

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Release Notes

JetBrains/kotlin (org.jetbrains.kotlin:kotlin-test)

v2.3.21

Backend. Wasm

• KT-84610 [Wasm] Failed to compile klibs in IC mode

Compiler

• KT-84566 Prevent launching Default dispatcher threads from IJ SDK in kotlin compiler
• KT-85358 Native: roll back the workaround for KT-84678 once MapLibre has been properly fixed
• KT-85626 @JvmRecord in commonMain breaks compileCommonMainKotlinMetadata with "Cannot access 'java.lang.Record'"
• KT-85405 Postpone/Revert DontIgnoreUpperBoundViolatedOnImplicitArguments
• KT-84678 K/N: Undefined symbol from SPM-added ObjC frameworks when linking iOS target
• KT-85021 False positive SUBCLASS_CANT_CALL_COMPANION_PROTECTED_NON_STATIC error in multi-module project

JavaScript

• KT-82395 Support top-level declarations from compiler plugins in JS incremental compilation
• KT-84475 K/JS: false-positive exportability warnings in multi-module project
• KT-84633 Kotlin/JS: "Serializer for class not found" error when IR output granularity is whole-program
• KT-85047 Kotlin/JS: @JsStatic on suspend fun of class companion generates incorrect d.ts
• KT-84517 K/JS: bad mappings data in outputted Kotlin stdlib source map

Libraries

• KT-71848 Kotlinx.metadata: Add CompilerPluginData into Km API

Native. C and ObjC Import

• KT-85399 Kotlin/Native: TypeCastException when casting ObjC Protocol MetaClass with genericSafeCasts enabled
• KT-85508 K/N: TypeCastException when using nw_parameters_create_secure_tcp block parameter on 2.3.20

Tools. Gradle

• KT-84729 Update Gradle plugin-publish version to enable configuration cache badge on Gradle plugins portal

Tools. Gradle. Compiler plugins

• KT-85257 AGP/Compose: MergeMappingFileTask clears R8 artifacts due to @OutputDirectory annotation on AGP 9.1+

Tools. Scripts

• KT-85105 Scripts: JVM backend internal error (IR lowering) when scratch file contains anonymous object
• KT-85103 Exception while generating code when explain destructuring decls
• KT-84842 scriptCompilationClasspathFromContext behavior changed from 2.3.10 to 2.3.20
• KT-85029 Kotlin Scripting: ScriptDiagnostic reports "at null" instead of error location

Tools. Statistics (FUS)

• KT-85628 KGP: composite build FUS metrics fail on access of 'configurationTimeMetrics'

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