Update kotlin-metadata-jvm to 2.2+ for Kotlin 2.3 support

[3flex]

Is your feature request related to a problem? Please describe.
This plugin uses kotlin-metadata-jvm. That supports current Kotlin +1. Current version used in this plugin is 2.1.21 which won't work with Kotlin 2.3.

Describe the solution you'd like
Bump the dependency version please!

Describe alternatives you've considered
None available

Additional context
Kotlin 2.3 is only in beta but bumping this dependency will be required eventually.

[autonomousapps]

Can this be done while also supporting Gradle 8?

[3flex]

It has no runtime dependencies, though compiles against stdlib. It would depend on which functions it uses. Might need to rely on tests.