Update sbt-jmh to 0.4.0

Author: j5ik2o-bot[bot]

project/plugins.sbt

@@ -1,6 +1,6 @@
 addSbtPlugin("org.scalameta" % "sbt-scalafmt" % "2.4.2")
 
-addSbtPlugin("pl.project13.scala" % "sbt-jmh" % "0.3.7")
+addSbtPlugin("pl.project13.scala" % "sbt-jmh" % "0.4.0")
 
 addSbtPlugin("com.geirsson" % "sbt-ci-release" % "1.5.7")