Update sbt-scoverage to 2.2.2 (#705)

Co-authored-by: typelevel-steward[bot] <106827141+typelevel-steward[bot]@users.noreply.github.com>

Author: typelevel-steward[bot]

project/plugins.sbt

@@ -1,7 +1,7 @@
 addSbtPlugin("com.github.sbt" % "sbt-unidoc" % "0.5.0")
 addSbtPlugin("com.eed3si9n" % "sbt-buildinfo" % "0.12.0")
 addSbtPlugin("pl.project13.scala" % "sbt-jmh" % "0.4.7")
-addSbtPlugin("org.scoverage" % "sbt-scoverage" % "2.2.1")
+addSbtPlugin("org.scoverage" % "sbt-scoverage" % "2.2.2")
 addSbtPlugin("org.scala-js" % "sbt-scalajs" % "1.16.0")
 addSbtPlugin("org.scala-native" % "sbt-scala-native" % "0.5.5")
 addSbtPlugin("org.portable-scala" % "sbt-scala-native-crossproject" % "1.3.2")