Merge pull request #530 from scala-steward/update/junit-plugin-0.4.16

Update junit-plugin, junit-runtime, ... to 0.4.16

Author: Philippus

project/plugins.sbt

@@ -4,4 +4,4 @@ addSbtPlugin("org.portable-scala" % "sbt-scalajs-crossproject" % "1.3.2")
 addSbtPlugin("org.scala-js" % "sbt-scalajs" % "1.14.0")
 
 addSbtPlugin("org.portable-scala" % "sbt-scala-native-crossproject" % "1.3.2")
-addSbtPlugin("org.scala-native" % "sbt-scala-native" % "0.4.15")
+addSbtPlugin("org.scala-native" % "sbt-scala-native" % "0.4.16")