Update sbt-jmh to 0.4.7 (#653)

Co-authored-by: typelevel-steward[bot] <106827141+typelevel-steward[bot]@users.noreply.github.com>

Author: typelevel-steward[bot]

project/plugins.sbt

@@ -1,6 +1,6 @@
 addSbtPlugin("com.github.sbt" % "sbt-unidoc" % "0.5.0")
 addSbtPlugin("com.eed3si9n" % "sbt-buildinfo" % "0.11.0")
-addSbtPlugin("pl.project13.scala" % "sbt-jmh" % "0.4.6")
+addSbtPlugin("pl.project13.scala" % "sbt-jmh" % "0.4.7")
 addSbtPlugin("org.scoverage" % "sbt-scoverage" % "2.0.9")
 addSbtPlugin("org.scala-js" % "sbt-scalajs" % "1.14.0")
 addSbtPlugin("org.scala-native" % "sbt-scala-native" % "0.4.16")