build(deps): bump org.jetbrains.kotlin.jvm from 2.0.20 to 2.0.21

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

---
updated-dependencies:
- dependency-name: org.jetbrains.kotlin.jvm
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

gradle/libs.versions.toml

@@ -4,7 +4,7 @@ kotlin-test = "2.0.0"
 [libraries]
 
 [plugins]
-kotlin-jvm = { id = "org.jetbrains.kotlin.jvm", version = "2.0.20" }
+kotlin-jvm = { id = "org.jetbrains.kotlin.jvm", version = "2.0.21" }
 ktlint = { id = "org.jlleitschuh.gradle.ktlint", version = "12.1.1" }
 binary-compatibility-validator = { id = "org.jetbrains.kotlinx.binary-compatibility-validator", version = "0.16.3" }
 dokka = { id = "org.jetbrains.dokka", version = "1.9.20" }