Update sbt-scoverage to 2.3.0 (#409)

Author: scala-steward

project/plugins.sbt

@@ -1,6 +1,6 @@
 addSbtPlugin("org.scalameta"      % "sbt-scalafmt"             % "2.5.2")
 addSbtPlugin("org.scalastyle"    %% "scalastyle-sbt-plugin"    % "1.0.0")
-addSbtPlugin("org.scoverage"      % "sbt-scoverage"            % "2.2.2")
+addSbtPlugin("org.scoverage"      % "sbt-scoverage"            % "2.3.0")
 addSbtPlugin("org.portable-scala" % "sbt-scalajs-crossproject" % "1.3.2")
 addSbtPlugin("org.scala-js"       % "sbt-scalajs"              % "1.18.1")
 addSbtPlugin("com.github.sbt"     % "sbt-ci-release"           % "1.9.2")