Merge pull request #1517 from scala-steward/update/sbt-wartremover-3.0.6

Update sbt-wartremover, wartremover to 3.0.6

Author: joroKr21

project/plugins.sbt

@@ -13,5 +13,5 @@ addSbtPlugin("org.xerial.sbt" % "sbt-sonatype" % "3.9.13")
 addSbtPlugin("pl.project13.scala" % "sbt-jmh" % "0.4.3")
 addSbtPlugin("com.47deg" % "sbt-microsites" % "1.3.4")
 addSbtPlugin("org.scalameta" % "sbt-scalafmt" % "2.4.6")
-addSbtPlugin("org.wartremover" % "sbt-wartremover" % "3.0.5")
+addSbtPlugin("org.wartremover" % "sbt-wartremover" % "3.0.6")
 addSbtPlugin("ch.epfl.scala" % "sbt-scalafix" % "0.10.1")