Update sbt-scalafix, scalafix-core to 0.13.0

Author: scala-steward

project/plugins.sbt

@@ -3,5 +3,5 @@ addSbtPlugin("org.portable-scala" % "sbt-scalajs-crossproject" % "1.3.2")
 addSbtPlugin("org.scala-native" % "sbt-scala-native" % "0.5.0")
 addSbtPlugin("org.portable-scala" % "sbt-scala-native-crossproject" % "1.3.2")
 addSbtPlugin("org.scala-lang.modules" % "sbt-scala-module" % "3.2.0")
-addSbtPlugin("ch.epfl.scala" % "sbt-scalafix" % "0.10.4")
+addSbtPlugin("ch.epfl.scala" % "sbt-scalafix" % "0.13.0")
 addSbtPlugin("com.eed3si9n" % "sbt-buildinfo" % "0.13.1")