Update sbt-scalajs-crossproject to 0.6.1 (zio#1096)

Remove interop leftovers

Upgrade nodejs (zio#1061)

Upgrade nodejs (zio#1060)

Fix yarn install (zio#1059)

Fix yarn install (zio#1057) (zio#1058)

Fix yarn install (zio#1057)

Restore build on tags (zio#1056)

* Restore build on tags

* Fix syntax

* Remove sneaky \t

Tighten ZStream#mapMPar and ZStream#flatMapPar interruption order (zi…

…o#1020)

* Add Semaphore#withPermits

* Harden ZStream#mapMPar worker interruption

* Harden ZStream#flatMapPar inner fiber interruption

Publish tests JAR (zio#1005)

`TestRuntime` is inherited by multiple tests throughout the codebase.
While it would be better to move it to `testkit`, such change would
create cyclic dependency between the modules. Instead, core's tests are
published as separate JAR reachable via classifier "tests".