Merge pull request #1081 from typelevel/update/auxlib-0.5.6

Update auxlib, clib, javalib, nativelib, ... to 0.5.6

Author: rossabaker

project/plugin.sbt

@@ -1,4 +1,4 @@
 addSbtPlugin("org.scala-js" % "sbt-scalajs" % "1.16.0")
-addSbtPlugin("org.scala-native" % "sbt-scala-native" % "0.5.5")
+addSbtPlugin("org.scala-native" % "sbt-scala-native" % "0.5.6")
 addSbtPlugin("pl.project13.scala" % "sbt-jmh" % "0.4.7")
 addSbtPlugin("org.typelevel" % "sbt-typelevel" % "0.7.4")