Merge pull request #397 from gvolpe/update/sbt-welcome-0.5.0

Update sbt-welcome to 0.5.0

Author: mergify[bot]

project/plugins.sbt

@@ -5,4 +5,4 @@ addSbtPlugin("org.scalameta"       % "sbt-scalafmt"             % "2.5.2")
 addSbtPlugin("ch.epfl.scala"       % "sbt-scalafix"             % "0.13.0")
 addSbtPlugin("org.scala-js"        % "sbt-scalajs"              % "1.17.0")
 addSbtPlugin("org.portable-scala"  % "sbt-scalajs-crossproject" % "1.3.2")
-addSbtPlugin("com.github.reibitto" % "sbt-welcome"              % "0.4.0")
+addSbtPlugin("com.github.reibitto" % "sbt-welcome"              % "0.5.0")