Merge pull request #60 from scala-steward/update/sbt-paradox-0.6.4

Update sbt-paradox to 0.6.4

Author: 2m

project/Dependencies.scala

@@ -3,7 +3,7 @@ import sbt._
 object Version {
   val classgraph = "4.8.47"
   val jtidy      = "r938"
-  val sbtParadox = "0.6.3"
+  val sbtParadox = "0.6.4"
   val scalatest  = "3.0.8"
 }