Merge pull request #793 from scala-steward/update/sbt-ci-release-1.12.0

sbt-ci-release 1.12.0 (was 1.11.2)

Author: mkurz

project/plugins.sbt

@@ -6,6 +6,6 @@ addSbtPlugin("com.typesafe" % "sbt-mima-plugin" % "1.1.6")
 
 addSbtPlugin("org.scalameta" % "sbt-scalafmt" % "2.6.1")
 
-addSbtPlugin("com.github.sbt" % "sbt-ci-release" % "1.11.2")
+addSbtPlugin("com.github.sbt" % "sbt-ci-release" % "1.12.0")
 
 addSbtPlugin("com.github.sbt" % "sbt-java-formatter" % "0.12.0")