Merge pull request #489 from scala-steward/update/3.0.x/sbt-ci-release-1.12.0

[3.0.x] sbt-ci-release 1.12.0 (was 1.11.2)

Author: mkurz

project/plugins.sbt

@@ -2,5 +2,5 @@
 
 addSbtPlugin("org.playframework.twirl" % "sbt-twirl"      % "2.0.9")
 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-header"     % "5.11.0")