chore(deps): bump kotlin from 2.0.20 to 2.0.21 (#320)

Bumps `kotlin` from 2.0.20 to 2.0.21.

Updates `org.jetbrains.kotlin:kotlin-stdlib` from 2.0.20 to 2.0.21
- [Release notes](https:/JetBrains/kotlin/releases)
- [Changelog](https:/JetBrains/kotlin/blob/v2.0.21/ChangeLog.md)
- [Commits](JetBrains/kotlin@v2.0.20...v2.0.21)

Updates `org.jetbrains.kotlin:kotlin-stdlib-common` from 2.0.20 to 2.0.21
- [Release notes](https:/JetBrains/kotlin/releases)
- [Changelog](https:/JetBrains/kotlin/blob/v2.0.21/ChangeLog.md)
- [Commits](JetBrains/kotlin@v2.0.20...v2.0.21)

Updates `org.jetbrains.kotlin.android` from 2.0.20 to 2.0.21

Updates `org.jetbrains.kotlin.jvm` from 2.0.20 to 2.0.21

Updates `org.jetbrains.kotlin.plugin.serialization` from 2.0.20 to 2.0.21

---
updated-dependencies:
- dependency-name: org.jetbrains.kotlin:kotlin-stdlib
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.jetbrains.kotlin:kotlin-stdlib-common
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.jetbrains.kotlin.android
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.jetbrains.kotlin.jvm
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.jetbrains.kotlin.plugin.serialization
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

gradle/libs.versions.toml

@@ -16,7 +16,7 @@ hiddenapibypass = "4.3"
 interpolator = "1.0.0"
 isoparser = "1.0.6" # DO NOT UPDATE THIS DEPENDENCY
 imageLabeling= "16.0.8"
-kotlin = "2.0.20"
+kotlin = "2.0.21"
 ksp = "2.0.20-1.0.25"
 kotlinxCoroutinesAndroid = "1.9.0"
 kotlinxSerializationJson = "1.7.3"