Update sbt-scalajs, scalajs-compiler, ... to 1.19.0

Author: scala-steward

project/plugins.sbt

@@ -5,4 +5,4 @@ addSbtPlugin("com.typesafe" % "sbt-mima-plugin" % "1.1.4")
 addSbtPlugin("org.scalameta" % "sbt-mdoc" % "2.5.4")
 addSbtPlugin("com.dwijnand" % "sbt-dynver" % "4.1.1")
 addSbtPlugin("org.portable-scala" % "sbt-scalajs-crossproject" % "1.3.2")
-addSbtPlugin("org.scala-js" % "sbt-scalajs" % "1.16.0")
+addSbtPlugin("org.scala-js" % "sbt-scalajs" % "1.19.0")