Update sbt-scoverage to 2.2.2

Author: tarao-scala-steward[bot]

project/plugins.sbt

@@ -4,4 +4,4 @@ addSbtPlugin("org.typelevel"      % "sbt-typelevel-scalafix" % "0.7.3")
 addSbtPlugin("org.typelevel"      % "sbt-typelevel-site"     % "0.7.3")
 addSbtPlugin("org.scala-js"       % "sbt-scalajs"            % "1.16.0")
 addSbtPlugin("org.scala-native"   % "sbt-scala-native"       % "0.5.5")
-addSbtPlugin("org.scoverage"      % "sbt-scoverage"          % "2.2.0")
+addSbtPlugin("org.scoverage"      % "sbt-scoverage"          % "2.2.2")