Update sbt-scalafix to 0.11.1 (#149)

Co-authored-by: Karl F Walkow <[email protected]>

Author: scala-steward

project/plugins.sbt

@@ -3,4 +3,4 @@ resolvers += Resolver.sonatypeRepo("snapshots")
 addSbtPlugin("org.portable-scala" % "sbt-crossproject" % "1.3.1")
 addSbtPlugin("com.github.sbt" % "sbt-ci-release" % "1.5.12")
 addSbtPlugin("org.scalameta" % "sbt-scalafmt" % "2.5.4")
-addSbtPlugin("ch.epfl.scala" % "sbt-scalafix" % "0.11.0")
+addSbtPlugin("ch.epfl.scala" % "sbt-scalafix" % "0.11.1")