Merge pull request #131 from robinraju/update/sbt-scalafix-0.13.0

Update sbt-scalafix to 0.13.0

Author: robinraju

project/plugins.sbt

@@ -6,7 +6,7 @@ addSbtPlugin("io.spray" % "sbt-revolver" % "0.10.0")
 addSbtPlugin("org.scalameta" % "sbt-scalafmt" % "2.5.2")
 
 // scalafix - Rules for code format: organize imports
-addSbtPlugin("ch.epfl.scala" % "sbt-scalafix" % "0.12.1")
+addSbtPlugin("ch.epfl.scala" % "sbt-scalafix" % "0.13.0")
 
 //Kamon
 addSbtPlugin("io.kamon" % "sbt-kanela-runner" % "2.1.0")