Merge pull request #1186 from scala-steward/update/sbt-ci-release-1.9.3

Update sbt-ci-release to 1.9.3

Author: sh0hei

Diff for: project/plugins.sbt

@@ -4,4 +4,4 @@ addSbtPlugin("org.scoverage" % "sbt-coveralls" % "1.3.15")
 addSbtPlugin("pl.project13.scala" % "sbt-jmh" % "0.4.7")
 addSbtPlugin("com.github.sbt" % "sbt-github-actions" % "0.25.0")
 addSbtPlugin("org.scalameta" % "sbt-scalafmt" % "2.5.4")
-addSbtPlugin("com.github.sbt" % "sbt-ci-release" % "1.9.2")
+addSbtPlugin("com.github.sbt" % "sbt-ci-release" % "1.9.3")