Scala 3.0.0-RC3 (zio#5005)

Add Documentation Regarding SubscriptionRef (zio#4944)

Update to Scala 2.13.5 and 3.0.0-RC1 (zio#4770)

* Update to Scala 2.13.5 and 3.0.0-RC1

* izumi-reflect 1.0.0-M16

more users: greyflower.media GmbH + Verbund AG (zio#4649)

Update sbt to 1.4.7 (zio#4637)

Implement ZManaged.makeEffectTotal (zio#4616)

Add Asana to ZIO README.md (zio#4573)

Generalize returnValue access in @accessible macro (zio#4266)

Fix doc issues (zio#4282)

improve stack safety of Chunk (zio#4114)