Bump jvm from 2.0.20 to 2.0.21

Bumps [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: jvm
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

settings.gradle.kts

@@ -1,6 +1,6 @@
 plugins {
     id("org.gradle.toolchains.foojay-resolver-convention") version "0.8.0"
-    kotlin("jvm") version "2.0.20" apply false
+    kotlin("jvm") version "2.0.21" apply false
     id("com.google.cloud.tools.jib") version "3.4.3" apply false
     id("org.openapi.generator") version "7.9.0" apply false
     id("com.github.davidmc24.gradle.plugin.avro") version "1.9.1" apply false