Update auxlib, clib, javalib, junit-plugin, ... to 0.5.4 (#380)

Author: scala-steward

project/plugins.sbt

@@ -4,7 +4,7 @@ resolvers ++= Resolver.sonatypeOssRepos("snapshots")
 // versions
 val crossVer = "1.3.2"
 val scalaJSVersion = "1.16.0"
-val scalaNativeVersion = "0.5.3"
+val scalaNativeVersion = "0.5.4"
 val scalafix = "0.12.0"
 
 // includes sbt-dynver sbt-pgp sbt-sonatype sbt-git