Update sbt-scoverage to 2.1.1

Author: scala-steward

project/plugins.sbt

@@ -1,4 +1,4 @@
 addSbtPlugin("org.scalameta" % "sbt-scalafmt" % "2.5.2")
 addSbtPlugin("ch.epfl.scala" % "sbt-scalafix" % "0.13.0")
-addSbtPlugin("org.scoverage" % "sbt-scoverage" % "2.1.0")
+addSbtPlugin("org.scoverage" % "sbt-scoverage" % "2.1.1")
 addSbtPlugin("org.typelevel" % "sbt-tpolecat" % "0.5.2")