Enable scala 3 for zio2Core, update zio2Cats interop version.

build.sbt

@@ -344,7 +344,7 @@ lazy val zio2Core = projectMatrix
     libraryDependencies ++= List(zio2, zio2Cats),
     name := "tofu-zio2-core"
   )
-  .jvmPlatform(scala2Versions)
+  .jvmPlatform(scala2And3Versions)
   .dependsOn(coreCE3)
 
 lazy val zio1Logging = projectMatrix

modules/interop/zio2/core/src/main/scala/tofu/zioFunctions.scala

@@ -1,15 +1,14 @@
 package tofu
 
 import izumi.reflect.Tag
+import tofu.compat.unused
 import tofu.higherKind.bi.{EmbedBK, FunctorBK}
 import tofu.syntax.functorbk._
 import tofu.zioInstances.implicits._
-import zio.{IO, ZIO, Tag => ZTag}
-
-import scala.annotation.nowarn
+import zio.{IO, Tag => ZTag, ZIO}
 
 object zioFunctions {
-  @nowarn("cat=unused-params")
+  @unused
   def expose[U[_[_, _]]: EmbedBK: FunctorBK: Tag.auto.T]: U[ZIO[U[IO], +_, +_]] =
     EmbedBK.of[ZIO[U[IO], +_, +_], U](ZIO.environmentWith(_.get[U[IO]](ZTag[U[IO]]).widenb))
 }

modules/interop/zio2/core/src/test/scala/tofu/zioInstances/ZioInstancesSuite.scala

@@ -2,12 +2,11 @@ package tofu.zioInstances
 
 import glass.{Contains, Extract}
 import tofu._
+import tofu.compat.unused
 import tofu.lift.{Lift, Unlift, UnliftIO, UnsafeExecFuture}
 import tofu.zioInstances.implicits._
 import zio._
 
-import scala.annotation.nowarn
-
 object ZioInstancesSuite {
 
   def summonZioInstances[E1, E2: Extract[_, E1], R1: Tag, R2: Tag: Contains[_, R1]](): Unit = {
@@ -40,7 +39,7 @@ object ZioInstancesSuite {
     ()
   }
 
-  @nowarn("cat=unused-params")
+  @unused
   def summonZioInstances[E, Env: Tag, Ctx: Tag](): Unit = {
     implicitly[WithRun[ZIO[Env with Ctx, E, _], ZIO[Env, E, _], Ctx]]
     implicitly[WithRun[ZIO[Ctx with Env, E, _], ZIO[Env, E, _], Ctx]]
@@ -49,7 +48,7 @@ object ZioInstancesSuite {
     ()
   }
 
-  @nowarn("cat=unused-params")
+  @unused
   def taskAmbiguity: Any = {
     import cats.effect.Sync
     import tofu.Raise

project/Dependencies.scala

@@ -54,7 +54,7 @@ object Dependencies {
 
     val zioCats = "2.5.1.0"
 
-    val zio2Cats = "23.0.0.4"
+    val zio2Cats = "23.1.0.2"
 
     val shapeless = "2.3.10"