Update nscplugin, sbt-scala-native, ... to 0.4.15 (#626)

Co-authored-by: typelevel-steward[bot] <106827141+typelevel-steward[bot]@users.noreply.github.com>

Author: typelevel-steward[bot]

project/plugins.sbt

@@ -3,7 +3,7 @@ addSbtPlugin("com.eed3si9n" % "sbt-buildinfo" % "0.11.0")
 addSbtPlugin("pl.project13.scala" % "sbt-jmh" % "0.4.6")
 addSbtPlugin("org.scoverage" % "sbt-scoverage" % "2.0.8")
 addSbtPlugin("org.scala-js" % "sbt-scalajs" % "1.13.2")
-addSbtPlugin("org.scala-native" % "sbt-scala-native" % "0.4.14")
+addSbtPlugin("org.scala-native" % "sbt-scala-native" % "0.4.15")
 addSbtPlugin("org.portable-scala" % "sbt-scala-native-crossproject" % "1.3.2")
 val sbtTypelevelVersion = "0.5.0"
 addSbtPlugin("org.typelevel" % "sbt-typelevel" % sbtTypelevelVersion)