chore(ci): bump org.jetbrains.kotlin:kotlin-bom from 1.9.24 to 2.0.21

Bumps [org.jetbrains.kotlin:kotlin-bom](https://github.com/JetBrains/kotlin) from 1.9.24 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@v1.9.24...v2.0.21)

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

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

pom.xml

@@ -84,7 +84,7 @@
         <maven-dependencies.version>3.9.9</maven-dependencies.version>
         <maven-release-plugin.version>3.1.1</maven-release-plugin.version>
         <maven-plugin-tools.version>3.15.1</maven-plugin-tools.version>
-        <kotlin.version>1.9.24</kotlin.version>
+        <kotlin.version>2.0.21</kotlin.version>
     </properties>
 
     <dependencyManagement>