Bump org.jetbrains.kotlin.jvm from 1.6.20 to 1.9.0

Bumps [org.jetbrains.kotlin.jvm](https://github.com/JetBrains/kotlin) from 1.6.20 to 1.9.0.
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](JetBrains/kotlin@v1.6.20...v1.9.0)

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

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

gradle/libs.versions.toml

@@ -1,7 +1,7 @@
 [versions]
 # plugins
 animalsniffer = "1.5.4"
-kotlin = "1.6.20"
+kotlin = "1.9.0"
 pluginPublish = "1.1.0"
 publishing = "0.22.0"
 spotless = "6.11.0"