Update sbt-ci-release to 1.9.0

Author: scala-steward

Diff for: project/plugins.sbt

@@ -3,7 +3,7 @@ libraryDependencies += "org.scala-js" %% "scalajs-env-selenium"     % "1.1.1"
 
 addSbtPlugin("ch.epfl.scala" % "sbt-scalafix"        % "0.10.4")
 addSbtPlugin("com.eed3si9n"  % "sbt-buildinfo"       % "0.12.0")
-addSbtPlugin("com.github.sbt"  % "sbt-ci-release"      % "1.5.12")
+addSbtPlugin("com.github.sbt"  % "sbt-ci-release"      % "1.9.0")
 addSbtPlugin("com.lihaoyi"   % "scalatex-sbt-plugin" % "0.3.11")
 addSbtPlugin("org.scala-js"  % "sbt-scalajs"         % "1.7.1")
 addSbtPlugin("org.scalameta" % "sbt-scalafmt"        % "2.5.2")