Merge pull request #111 from scala-steward/update/sbt-scalajs-1.12.0

Author: aeons

project/plugins.sbt

@@ -1,6 +1,6 @@
 addSbtPlugin("org.scalameta"      % "sbt-mdoc"                      % "2.3.6")
 addSbtPlugin("com.github.sbt"     % "sbt-ci-release"                % "1.5.11")
-addSbtPlugin("org.scala-js"       % "sbt-scalajs"                   % "1.11.0")
+addSbtPlugin("org.scala-js"       % "sbt-scalajs"                   % "1.12.0")
 addSbtPlugin("org.portable-scala" % "sbt-scalajs-crossproject"      % "1.2.0")
 addSbtPlugin("org.scala-native"   % "sbt-scala-native"              % "0.4.7")
 addSbtPlugin("org.portable-scala" % "sbt-scala-native-crossproject" % "1.2.0")