chore(deps): update kotlin monorepo to v2.2.21 (#1760)

This PR contains the following updates:

| Package | Change | Age | Confidence |
|---|---|---|---|
| [org.jetbrains.kotlin.plugin.spring](https://kotlinlang.org/)
([source](https://redirect.github.com/JetBrains/kotlin)) | `2.2.20` ->
`2.2.21` |
[![age](https://developer.mend.io/api/mc/badges/age/maven/org.jetbrains.kotlin.plugin.spring:org.jetbrains.kotlin.plugin.spring.gradle.plugin/2.2.21?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/maven/org.jetbrains.kotlin.plugin.spring:org.jetbrains.kotlin.plugin.spring.gradle.plugin/2.2.20/2.2.21?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
| [org.jetbrains.kotlin.jvm](https://kotlinlang.org/)
([source](https://redirect.github.com/JetBrains/kotlin)) | `2.2.20` ->
`2.2.21` |
[![age](https://developer.mend.io/api/mc/badges/age/maven/org.jetbrains.kotlin.jvm:org.jetbrains.kotlin.jvm.gradle.plugin/2.2.21?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/maven/org.jetbrains.kotlin.jvm:org.jetbrains.kotlin.jvm.gradle.plugin/2.2.20/2.2.21?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>JetBrains/kotlin (org.jetbrains.kotlin.plugin.spring)</summary>

###
[`v2.2.21`](https://redirect.github.com/JetBrains/kotlin/releases/tag/v2.2.21):
Kotlin 2.2.21

#### Changelog

##### Backend. Wasm

- [`KT-81372`](https://youtrack.jetbrains.com/issue/KT-81372) K/Wasm:
JsException: Exception was thrown while running JavaScript code on
Safari 18.2/18.3
- [`KT-80018`](https://youtrack.jetbrains.com/issue/KT-80018) K/Wasm:
exceptions don't work properly in JavaScriptCore (vm inside Safari,
WebKit)

##### Compiler

- [`KT-81191`](https://youtrack.jetbrains.com/issue/KT-81191) K2: "null
cannot be cast to non-null type ConeTypeParameterLookupTag" with invalid
code
- [`KT-80936`](https://youtrack.jetbrains.com/issue/KT-80936)
NON\_PUBLIC\_CALL\_FROM\_PUBLIC\_INLINE : `@PublishedApi` doesn't work
for fun interfaces

##### JavaScript

- [`KT-79926`](https://youtrack.jetbrains.com/issue/KT-79926) Wrong
export of interfaces with companions with ES Modules
- [`KT-81424`](https://youtrack.jetbrains.com/issue/KT-81424) Kotlin/JS:
Cannot Get / in a simple running application
- [`KT-80873`](https://youtrack.jetbrains.com/issue/KT-80873) KJS:
Stdlib requires ES2020-compatible JS engine due to BigInt type literal

##### Native

- [`KT-79384`](https://youtrack.jetbrains.com/issue/KT-79384) K/N:
Application Not Responding: Thread Deadlock

##### Tools. Gradle

- [`KT-79047`](https://youtrack.jetbrains.com/issue/KT-79047) Gradle
compileKotlin fails with configuration cache
- [`KT-81148`](https://youtrack.jetbrains.com/issue/KT-81148) Publishing
helpers in KGP are incompatible with Isolated Projects
- [`KT-80950`](https://youtrack.jetbrains.com/issue/KT-80950) KGP breaks
configuration cache when signing plugin with GnuPG is applied

##### Tools. Gradle. Multiplatform

- [`KT-61127`](https://youtrack.jetbrains.com/issue/KT-61127) Remove
scoped resolvable and intransitive DependenciesMetadata configurations
used in the pre-IdeMultiplatformImport IDE import
- [`KT-81249`](https://youtrack.jetbrains.com/issue/KT-81249) Kotlin
2.2.20 broke KMP implementation of Parcelize

##### Tools. Gradle. Native

- [`KT-81510`](https://youtrack.jetbrains.com/issue/KT-81510)
`commonizeCInterop` exception with 'kotlinNativeBundleConfiguration' not
found
- [`KT-81134`](https://youtrack.jetbrains.com/issue/KT-81134) Native:
Gradle configuration failure likely related to Klibs cross-compilation
- [`KT-77732`](https://youtrack.jetbrains.com/issue/KT-77732)
`commonizeCInterop` failed with "Unresolved classifier:
platform/posix/size\_t"
- [`KT-80675`](https://youtrack.jetbrains.com/issue/KT-80675) Commonized
cinterops between "test" compilations produce an import failure

##### Tools. Maven

- [`KT-81218`](https://youtrack.jetbrains.com/issue/KT-81218) Kotlin
Maven Plugin 2.2.20: Java classes not resolved with enabled incremental
compilation without daemon

##### Tools. Wasm

- [`KT-80582`](https://youtrack.jetbrains.com/issue/KT-80582) Multiple
reloads when using webpack dev server after 2.2.20-Beta2

</details>

---

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---

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---

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samples/sample-spring-boot-echo-kotlin/build.gradle.kts

@@ -19,8 +19,8 @@ import org.jetbrains.kotlin.gradle.dsl.JvmTarget
 plugins {
     id("sdk.java-library")
     id("sdk.spring-boot")
-    kotlin("jvm") version "2.2.20"
-    kotlin("plugin.spring") version "2.2.20"
+    kotlin("jvm") version "2.2.21"
+    kotlin("plugin.spring") version "2.2.21"
 }
 
 dependencies {