Merge pull request 2m#444 from scala-steward/update/sbt-scalafix-0.13.0

Update sbt-scalafix to 0.13.0

Author: mergify[bot]

project/plugins.sbt

@@ -3,4 +3,4 @@ addSbtPlugin("org.scalameta"     % "sbt-scalafmt"   % "2.5.2")
 addSbtPlugin("com.github.sbt"    % "sbt-ci-release" % "1.6.1")
 addSbtPlugin("org.typelevel"     % "sbt-tpolecat"   % "0.5.2")
 addSbtPlugin("de.heikoseeberger" % "sbt-header"     % "5.10.0")
-addSbtPlugin("ch.epfl.scala"     % "sbt-scalafix"   % "0.12.1")
+addSbtPlugin("ch.epfl.scala"     % "sbt-scalafix"   % "0.13.0")