Merge pull request #714 from scala-steward/update/sbt-unidoc-0.5.0

Update sbt-unidoc from 0.4.3 to 0.5.0

Author: mergify[bot]

project/plugins.sbt

@@ -3,7 +3,7 @@ addSbtPlugin("ch.epfl.scala" % "sbt-scalafix" % "0.9.31")
 addSbtPlugin("org.scalameta" % "sbt-scalafmt" % "2.4.3")
 addSbtPlugin("com.github.sbt" % "sbt-ci-release" % "1.5.10")
 addSbtPlugin("com.47deg" % "sbt-microsites" % "1.3.4")
-addSbtPlugin("com.eed3si9n" % "sbt-unidoc" % "0.4.3")
+addSbtPlugin("com.github.sbt" % "sbt-unidoc" % "0.5.0")
 addSbtPlugin("com.thoughtworks.sbt-api-mappings" % "sbt-api-mappings" % "3.0.0")
 addSbtPlugin("ch.epfl.scala" % "sbt-version-policy" % "2.0.1")
 addSbtPlugin("ch.epfl.scala" % "sbt-missinglink" % "0.3.2")