Update kotlin monorepo to v1.7.21

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
org.jetbrains.kotlin.android (source)	1.7.20 -> 1.7.21
org.jetbrains.kotlin.plugin.serialization (source)	1.7.20 -> 1.7.21
org.jetbrains.kotlin.jvm (source)	1.7.20 -> 1.7.21
org.jetbrains.kotlin.multiplatform (source)	1.7.20 -> 1.7.21
org.jetbrains.kotlin:kotlin-gradle-plugin (source)	1.7.20 -> 1.7.21

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Release Notes

JetBrains/kotlin

v1.7.21

Compiler

• KT-54463 Delegating to a field with a platform type causes java.lang.NoSuchFieldError: value$delegate
• KT-54509 Ir Interpreter: unable to evaluate string concatenation with "this" as argument
• KT-54004 Builder type inference does not work correctly with variable assignment and breaks run-time
• KT-54393 Change in behavior from 1.7.10 to 1.7.20 for java field override.
• KT-54615 JVM: Internal error in file lowering: java.lang.AssertionError: Error occurred while optimizing an expression
• KT-54581 JVM: "VerifyError: Bad type on operand stack" with generic inline function and when inside try-catch block
• KT-53146 JVM IR: unnecessary checkcast of null leads to NoClassDefFoundError if the type isn't available at runtime
• KT-54600 NPE on passing nullable Kotlin lambda as Java's generic SAM interface with super type bound
• KT-54707 "VerifyError: Bad type on operand stack" in inline call chain on a nullable array value
• KT-54650 Binary incompatible ABI change in Kotlin 1.7.20
• KT-54802 "VerifyError: Bad type on operand stack" for inline functions on arrays

Native. Runtime. Memory

• KT-54498 Deprecation message of 'FreezingIsDeprecated' is not really helpful

Tools. Gradle. Multiplatform

• KT-54387 Remove MPP alpha stability warning
• KT-48436 False positive "The Kotlin source set androidAndroidTestRelease was configured but not added to any Kotlin compilation"

Tools. JPS

• KT-45474 False positive NO_ELSE_IN_WHEN on sealed class with incremental compilation

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Configuration

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[codecov]

Codecov Report

Merging #6 (e3b9d56) into main (9365e3c) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main       #6   +/-   ##
=======================================
  Coverage   86.46%   86.46%           
=======================================
  Files          17       17           
  Lines         458      458           
  Branches       78       78           
=======================================
  Hits          396      396           
  Misses         44       44           
  Partials       18       18           

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