v3.0.0

What's Changed

• Support Scaladoc on sonatype.org for sbt plug-ins by @Atry in #17
• Prefer javadoc.io over sonatype.org by @Atry in #18
• sbt 1.1.6 by @sullis in #19
• Update scalatest to 3.0.5 by @scala-steward in #21
• Update extractor to 2.1.1 by @scala-steward in #20
• Fix url for JDK 11 by @ashawley in #22

Full Changelog: v2.1.0...v3.0.0