Update sbt-release to 1.0.15#56

scala-steward wants to merge 1 commit intoevolution-gaming:masterevolution-gaming/akka-http-play-json:masterfrom

scala-steward:update/sbt-release-1.0.15scala-steward/akka-http-play-json:update/sbt-release-1.0.15Copy head branch name to clipboard