Update sbt-buildinfo to 0.12.0 (#609)

Author: scala-steward

Diff for: project/plugins.sbt

@@ -10,6 +10,6 @@ addSbtPlugin("org.scalameta" % "sbt-scalafmt" % "2.5.2")
 
 addSbtPlugin("ch.epfl.scala" % "sbt-scalafix" % "0.12.0")
 
-addSbtPlugin("com.eed3si9n" % "sbt-buildinfo" % "0.11.0")
+addSbtPlugin("com.eed3si9n" % "sbt-buildinfo" % "0.12.0")
 
 libraryDependencies += "org.scala-js" %% "scalajs-env-jsdom-nodejs" % "1.1.0"