Update sbt-ci-release to 1.11.1 (#237)

Author: scala-steward

project/plugins.sbt

@@ -3,6 +3,6 @@ resolvers += "jgit-repo" at "https://download.eclipse.org/jgit/maven"
 addSbtPlugin("com.github.sbt" % "sbt-site"       % "1.6.0")
 addSbtPlugin("com.github.sbt" % "sbt-release"    % "1.4.0")
 addSbtPlugin("com.github.sbt" % "sbt-ghpages"    % "0.7.0")
-addSbtPlugin("com.github.sbt" % "sbt-ci-release" % "1.11.0")
+addSbtPlugin("com.github.sbt" % "sbt-ci-release" % "1.11.1")
 addSbtPlugin("org.scalameta"  % "sbt-scalafmt"   % "2.5.4")
 addSbtPlugin("org.xerial.sbt" % "sbt-sonatype"   % "3.12.2")