Merge pull request #124 from scala-steward/update/sbt-scalafmt-2.2.1

Update sbt-scalafmt to 2.2.1

Author: exoego

project/plugins.sbt

@@ -1,5 +1,5 @@
 addSbtPlugin("org.scala-js"      % "sbt-scalajs"   % "0.6.29")
-addSbtPlugin("org.scalameta"     % "sbt-scalafmt"  % "2.2.0")
+addSbtPlugin("org.scalameta"     % "sbt-scalafmt"  % "2.2.1")
 addSbtPlugin("org.xerial.sbt"    % "sbt-sonatype"  % "3.8")
 addSbtPlugin("com.github.gseitz" % "sbt-release"   % "1.0.12")
 addSbtPlugin("com.jsuereth"      % "sbt-pgp"       % "2.0.0")