Merge pull request #544 from scala-steward/update/8.x/sbt-ci-release-1.11.1

[8.x] sbt-ci-release 1.11.1 (was 1.9.3)

Author: mkurz

project/plugins.sbt

@@ -6,6 +6,6 @@ addSbtPlugin("com.typesafe" % "sbt-mima-plugin" % "1.1.4")
 
 addSbtPlugin("org.scalameta" % "sbt-scalafmt" % "2.5.5")
 
-addSbtPlugin("com.github.sbt" % "sbt-ci-release" % "1.9.3")
+addSbtPlugin("com.github.sbt" % "sbt-ci-release" % "1.11.1")
 
 addSbtPlugin("com.lightbend.sbt" % "sbt-java-formatter" % "0.8.0")