Update sbt-jmh to 0.3.6
Update sbt-jmh to 0.3.6

ChristopherDavenport/http4s,aeons/http4s,ChristopherDavenport/http4s,rossabaker/http4s,rossabaker/http4s,aeons/http4s,aeons/http4s,ChristopherDavenport/http4s,http4s/http4s