fix(deps): update kotlin monorepo to v1.9.21

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
org.jetbrains.kotlin:kotlin-reflect (source)	1.9.20 -> 1.9.21
org.jetbrains.kotlin:kotlin-stdlib-jdk8 (source)	1.9.20 -> 1.9.21
org.jetbrains.kotlin:kotlin-main-kts (source)	1.9.20 -> 1.9.21
org.jetbrains.kotlin:kotlin-gradle-plugin-api (source)	1.9.20 -> 1.9.21
org.jetbrains.kotlin:kotlin-gradle-plugin (source)	1.9.20 -> 1.9.21
org.jetbrains.kotlin:kotlin-compiler-embeddable (source)	1.9.20 -> 1.9.21
org.jetbrains.kotlin:kotlin-compiler (source)	1.9.20 -> 1.9.21

---

Release Notes

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

v1.9.21: Kotlin 1.9.21

Changelog

Compiler

• KT-62885 Introduce a language feature entry for expect actual classes for easier configuration of MPP projects
• KT-63081 Optimize new native caches: CachedLibraries.computeVersionedCacheDirectory()

Docs & Examples

• KT-55619 Document String.format function

IDE. Gradle Integration

• KT-62877 Artifact files collecting for project configuration was finished. Resolution for configuration configuration X will be skipped

IDE. Gradle. Script

• KT-60813 Scripts: NoSuchMethodError: 'void org.slf4j.Logger.error(java.lang.String, java.lang.Object)' when dependency uses Slf4j API

JavaScript

• KT-60785 KJS: Destructured value class in suspend function fails with Uncaught TypeError: can't convert to primitive type error
• KT-63207 KMP / JS: "TypeError: <mangled_name> is not a function" with 1.9.20
• KT-62778 package.json "main" field has .js extension when the result files have .mjs extension
• KT-61795 KJS: Incremental Cache is not invalidated if useEsClasses compiler argument was changed
• KT-61957 KJS: "Uncaught ReferenceError: entries is not defined" caused by enum class with @JsExport and Enum.entries call
• KT-62444 KJS with commonJS modules should re-export in 1.9.20
• KT-63184 KJS / Serialization: JsExport on serializable interface creates erroneous TypeScript
• KT-62190 KJS: "IllegalStateException: Expect to have either super call or partial linkage stub inside constructor" caused by Compose and useEsModules()
• KT-58685 KJS: "IllegalStateException: Not locked" cused by "unlock" called twice

Klibs

• KT-62515 Interop klib of concurrent version is not accepted when building dependent project: "The library versions don't match"

Tools. CLI

• KT-63139 Incorrect kotlin implementation version (1.9.255-SNAPSHOT) in metadata info

Tools. Gradle

• KT-63499 Gradle: Source sets conventions are still registered

Tools. Gradle. JS

• KT-59523 MPP / KJS: ESM modules uses incorrect file extension on package.json (.mjs)

Tools. Gradle. Kapt

• KT-63366 Kapt processing fails with custom source sets

Tools. Gradle. Multiplatform

• KT-32608 Create JUnit-XML result file in multiplatform gradle build
• KT-63315 Wasm gradle plugin DSL is invalid for parameterless wasmWasi method
• KT-63338 [KMP] metadata task fails to find cinterop classes from dependency projects
• KT-63044 KGP: Multiplatform - 8.4 configuration cache support
• KT-63011 Apple Framework Artifacts is not connected to KotlinNativeTask
• KT-62601 AS/IntelliJ exception after updating a KMP project with a macos target to Kotlin 1.9.20-RC

Tools. Incremental Compile

• KT-61590 K2/KMP: Expect actual matching is breaking on the incremental compilation

Tools. JPS

• KT-63594 ClassCastException in JPS statistics
• KT-63651 Fix NPE in Kotlin JPS after enabling graph implementation of JPS

Tools. Kapt

• KT-57389 KAPT3 uses a Javac API for JCImport which will break in JDK 21
• KT-60507 Kapt: "IllegalAccessError: superclass access check failed" using java 21 toolchain

Tools. Scripts

• KT-54819 Scripts: Not able to use slf4j in .main.kts
• KT-61727 Scripts: Maven artifacts resolution is slow

Checksums

File	Sha256
kotlin-compiler-1.9.21.zip	cf17e0272bc065d49e64a86953b73af06065370629f090d5b7c2fe353ccf9c1a
kotlin-native-linux-x86_64-1.9.21.tar.gz	965564bb599a95283307be31947386b61f0de79514e894b1f20f4fe728eee7cc
kotlin-native-macos-x86_64-1.9.21.tar.gz	8f47cf1871bf0dfcacfc04e68ee71f2333a8a711ca25fd7a29e852eafe8da76e
kotlin-native-macos-aarch64-1.9.21.tar.gz	b3c45aa0a5aa08419bd79b06cb5bdeed32b30141a6a976b67ca91bb0959e28b7
kotlin-native-windows-x86_64-1.9.21.zip	e917e67d5dfeb4683a413b932f080adef08ba48d8ede61fbb040f9c3481f7b3a

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about these updates again.

---

• If you want to rebase/retry this PR, check this box

---

This PR has been generated by Mend Renovate. View repository job log here.

[renovate]

Edited/Blocked Notification

Renovate will not automatically rebase this PR, because it does not recognize the last commit author and assumes somebody else may have edited the PR.

You can manually request rebase by checking the rebase/retry box above.

⚠ Warning: custom changes will be lost.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (2c086f7) 85.14% compared to head (9ebcec4) 85.14%.
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##               main    #6642   +/-   ##
=========================================
  Coverage     85.14%   85.14%           
  Complexity     4079     4079           
=========================================
  Files           570      570           
  Lines         13363    13363           
  Branches       2402     2402           
=========================================
  Hits          11378    11378           
  Misses          790      790           
  Partials       1195     1195           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[detekt-ci]

	Warnings
⚠️	This PR is approved with no milestone set. If merged, it won't appear in the detekt release notes.

Generated by 🚫 dangerJS against 9ebcec4