Update auxlib, clib, javalib, junit-plugin, ... to 0.5.7 (#291)

Author: scala-steward

project/plugins.sbt

@@ -1,3 +1,3 @@
 addSbtPlugin("org.scala-lang.modules" % "sbt-scala-module" % "3.2.2")
 addSbtPlugin("com.eed3si9n" % "sbt-projectmatrix" % "0.10.1")
-addSbtPlugin("org.scala-native" % "sbt-scala-native" % "0.5.6")
+addSbtPlugin("org.scala-native" % "sbt-scala-native" % "0.5.7")