Support Scala3 enums

[pjfanning]

Currently supported in a separate module but eventually should be merged into this project.

https://github.com/pjfanning/jackson-module-scala3-enum

[spagreeks]

How's schedule?

[pjfanning]

Is there a reason not to use the library linked in the comment?

[pjfanning]

#660 is in jackson-module-scala 2.17.0