Update sbt-scalajs-bundler to 0.21.0#592

scala-steward wants to merge 1 commit intobuildo:masterbuildo/retro:masterfrom

scala-steward:update/sbt-scalajs-bundler-0.21.0scala-steward/retro:update/sbt-scalajs-bundler-0.21.0Copy head branch name to clipboard