Merge pull request #32 from nrkno/update/sbt-typelevel-0.4.19

Update sbt-typelevel, sbt-typelevel-site to 0.4.19

Author: hamnis

project/plugins.sbt

@@ -1,3 +1,3 @@
-addSbtPlugin("org.typelevel" % "sbt-typelevel" % "0.4.18")
-addSbtPlugin("org.typelevel" % "sbt-typelevel-site" % "0.4.18")
+addSbtPlugin("org.typelevel" % "sbt-typelevel" % "0.4.19")
+addSbtPlugin("org.typelevel" % "sbt-typelevel-site" % "0.4.19")
 addSbtPlugin("org.scala-js" % "sbt-scalajs" % "1.13.0")