Merge pull request #346 from scala-steward/update/sbt-assembly-2.4.1

Update sbt-assembly to 2.4.1

Author: hrj

project/plugins.sbt

@@ -1,4 +1,4 @@
 // addSbtPlugin("ch.epfl.scala" % "sbt-scalafix" % "0.14.2")
 // addSbtPlugin("org.scalameta" % "sbt-scalafmt" % "2.5.4")
 // addSbtPlugin("com.lightbend.sbt" % "sbt-java-formatter" % "0.8.0")
-addSbtPlugin("com.eed3si9n" % "sbt-assembly" % "2.3.1")
+addSbtPlugin("com.eed3si9n" % "sbt-assembly" % "2.4.1")