Fix shadow packaging in code gen artifact (#1214)
Fix shadow packaging in code gen artifact (#1214)

* Update to shadow 6.0

* Exclude kotlinpoet core artifact from shading

* Replace runtime scopes with compile

* Opportunistically fix old artifact() dep

Gradle 6.6 supports providers now

* Use api instead

* Add link

* Remove accidental gradle plugin config

This only applies to gradle plugins
square/moshi,square/moshi,square/moshi