Update sbt-jmh to 0.4.8

Author: scala-steward-bot

project/plugins.sbt

@@ -4,7 +4,7 @@ addSbtPlugin("de.heikoseeberger"  % "sbt-header"                    % "5.10.0")
 addSbtPlugin("com.github.sbt"     % "sbt-boilerplate"               % "0.7.0")
 addSbtPlugin("org.scala-js"       % "sbt-scalajs"                   % "1.20.1")
 addSbtPlugin("org.portable-scala" % "sbt-scalajs-crossproject"      % "1.3.2")
-addSbtPlugin("pl.project13.scala" % "sbt-jmh"                       % "0.4.7")
+addSbtPlugin("pl.project13.scala" % "sbt-jmh"                       % "0.4.8")
 addSbtPlugin("com.github.sbt"     % "sbt-osgi"                      % "0.9.9")
 addSbtPlugin("org.scala-native"   % "sbt-scala-native"              % "0.5.8")
 addSbtPlugin("org.portable-scala" % "sbt-scala-native-crossproject" % "1.3.2")