Merge pull request #436 from scala-steward/update/sbt-ci-release-1.9.3

Update sbt-ci-release to 1.9.3

Author: mergify[bot]

project/plugins.sbt

@@ -8,6 +8,6 @@ addSbtPlugin("com.timushev.sbt" % "sbt-updates" % "0.6.4")
 
 addSbtPlugin("net.virtual-void" % "sbt-dependency-graph" % "0.9.2")
 
-addSbtPlugin("com.github.sbt" % "sbt-ci-release" % "1.9.2")
+addSbtPlugin("com.github.sbt" % "sbt-ci-release" % "1.9.3")
 
 addSbtPlugin("com.thoughtworks.sbt-api-mappings" % "sbt-api-mappings" % "3.0.2")