Update auxlib, clib, javalib, junit-plugin, ... to 0.5.12 (#195)

Author: scala-steward

project/plugins.sbt

@@ -1,6 +1,6 @@
 resolvers ++= Resolver.sonatypeOssRepos("snapshots")
 
 // Current releases
-addSbtPlugin("org.scala-native" % "sbt-scala-native" % "0.5.11")
+addSbtPlugin("org.scala-native" % "sbt-scala-native" % "0.5.12")
 addSbtPlugin("com.github.sbt" % "sbt-ci-release" % "1.11.2")
 addSbtPlugin("com.github.sbt" % "sbt-dynver" % "5.1.1")