Updated publish.sh to use scala-js 1.0.0-RC1.
Updated publish.sh to use scala-js 1.0.0-RC1.

scalatest/scalatest,dotty-staging/scalatest,dotty-staging/scalatest,cheeseng/scalatest,cheeseng/scalatest,scalatest/scalatest,cheeseng/scalatest,dotty-staging/scalatest,scalatest/scalatest