chore: Update Scala Native to 0.5.1

Author: tgodzik

build.sc

@@ -72,7 +72,7 @@ object Dependencies {
   def scalaJsSbtTestAdapter1 = ivy"org.scala-js::scalajs-sbt-test-adapter:$scalaJs1Version"
   def scalaJsLogging1        = ivy"org.scala-js::scalajs-logging:1.1.1"
   def scalaNativeTools04     = ivy"org.scala-native::tools:0.4.17"
-  def scalaNativeTools05     = ivy"org.scala-native::tools:0.5.0-RC2"
+  def scalaNativeTools05     = ivy"org.scala-native::tools:0.5.1"
   def scalazCore             = ivy"org.scalaz::scalaz-core:7.3.8"
   def snailgun      = ivy"io.github.alexarchambault.scala-cli.snailgun::snailgun-core:0.4.1-sc2"
   def sourcecode    = ivy"com.lihaoyi::sourcecode:0.3.1"

frontend/src/test/resources/cross-test-build-scala-native-0.5/project/plugins.sbt

@@ -1,5 +1,5 @@
 addSbtPlugin("org.portable-scala" % "sbt-scala-native-crossproject" % "1.0.0")
-addSbtPlugin("org.scala-native" % "sbt-scala-native" % "0.5.0-RC2")
+addSbtPlugin("org.scala-native" % "sbt-scala-native" % "0.5.1")
 
 val pluginVersion = sys.props.getOrElse(
   "bloopVersion",