Merge pull request #406 from scala-steward/update/sbt-typelevel-0.6.6

Update sbt-typelevel to 0.6.6

Author: satabin

project/plugins.sbt

@@ -1,4 +1,4 @@
-addSbtPlugin("org.typelevel" % "sbt-typelevel" % "0.6.5")
+addSbtPlugin("org.typelevel" % "sbt-typelevel" % "0.6.6")
 addSbtPlugin("org.scala-js" % "sbt-scalajs" % "1.15.0")
 addSbtPlugin("org.scala-native" % "sbt-scala-native" % "0.4.17")
 addSbtPlugin("pl.project13.scala" % "sbt-jmh" % "0.4.7")