Update sbt-scalac-opts-plugin to 0.2.0 (evolution-gaming#154)

Author: scala-steward

project/plugins.sbt

@@ -4,6 +4,6 @@ addSbtPlugin("org.scoverage" % "sbt-coveralls" % "1.2.7")
 
 addSbtPlugin("com.github.sbt" % "sbt-release" % "1.0.15")
 
-addSbtPlugin("com.evolution" % "sbt-scalac-opts-plugin" % "0.0.9")
+addSbtPlugin("com.evolution" % "sbt-scalac-opts-plugin" % "0.2.0")
 
 addSbtPlugin("com.evolution" % "sbt-artifactory-plugin" % "0.0.2")