Merge pull request #399 from scala-steward/update/sbt-jmh-0.4.7

Update sbt-jmh to 0.4.7

Author: satabin

project/plugins.sbt

@@ -1,4 +1,4 @@
 addSbtPlugin("org.typelevel" % "sbt-typelevel" % "0.6.3")
 addSbtPlugin("org.scala-js" % "sbt-scalajs" % "1.15.0")
 addSbtPlugin("org.scala-native" % "sbt-scala-native" % "0.4.16")
-addSbtPlugin("pl.project13.scala" % "sbt-jmh" % "0.4.6")
+addSbtPlugin("pl.project13.scala" % "sbt-jmh" % "0.4.7")