Paradox @apidoc 0.10

Changes

• Detect link to class (where object is intended) #155 by @ennru

Updates

• sbt 1.3.12 (was 1.3.10) #157 by @scala-steward
• classgraph 4.8.87 (was 4.8.78) #156 by @scala-steward
• scalatest 3.2.0 (was 3.1.2) #159 by @scala-steward
• sbt-scalafmt 2.4.0 (was 2.3.4) #151 by @scala-steward
• Update sbt-paradox to 0.8.0 #147 by @scala-steward
• Make Scala Steward less aggressive #149 by @ennru
• Update sbt-header to 5.6.0 #142 by @scala-steward