Update sbt-mima-plugin to 1.0.0 (#38)

Author: scala-steward

project/plugins.sbt

@@ -3,7 +3,7 @@ resolvers += Resolver.sonatypeRepo("snapshots")
 
 // includes sbt-dynver sbt-pgp sbt-sonatype sbt-git
 addSbtPlugin("com.geirsson" % "sbt-ci-release"  % "1.5.7")
-addSbtPlugin("com.typesafe" % "sbt-mima-plugin" % "0.9.2")
+addSbtPlugin("com.typesafe" % "sbt-mima-plugin" % "1.0.0")
 
 // Scala Native support
 addSbtPlugin("org.scala-native" % "sbt-scala-native" % "0.4.0")