Update sbt-scalajs, scalajs-compiler, ... to 1.21.0#729

scala-steward wants to merge 1 commit intoComcast:mainComcast/ip4s:mainfrom

scala-steward:update/sbt-scalajs-1.21.0scala-steward/ip4s:update/sbt-scalajs-1.21.0Copy head branch name to clipboard