Implement tighter typing of ZApi, so that we can (inelegantly) expose SelfLogging as zapi.inner.SelfLogging until scala/scala3#23245 is fixed.

Author: swaldman

build.mill

@@ -84,7 +84,7 @@ object `package` extends RootModule with ScalaModule with PublishModule {
   }
 
   object test extends ScalaModule {
-    def moduleDeps = Seq(build,mlog,scribe)
+    def moduleDeps = Seq(build,mlog,scribe,zio)
     override def scalaVersion   = Common.scalaVersion
     override def scalacOptions  = T { Common.scalacOptions }
   }

test/src/logadapter/test/Hello.scala

@@ -1,6 +1,5 @@
 package logadapter.test
 
-
 // I'd like to be able to elegantly abstract over the Api objects.
 // But it's tricky, and I'm hitting this bug, so I'm going to go with inelegant repetition for now!
 //

zio/src/logadapter/zio/ZApi.scala

@@ -2,7 +2,7 @@ package logadapter.zio
 
 import zio.{UIO,ZIO}
 
-class ZApi[T <: logadapter.LogAdapter]( val inner : logadapter.Api[T] ):
+class ZApi[T <: logadapter.LogAdapter, U <: logadapter.Api[T]]( val inner : U ):
   import inner.*
   export inner.*