Update sbt-scalajs, scalajs-compiler, ... to 1.12.0#634

SethTisue merged 2 commits intoscala:mainscala/scala-xml:mainfrom

scala-steward:update/sbt-scalajs-1.12.0scala-steward/scala-xml:update/sbt-scalajs-1.12.0Copy head branch name to clipboard