Update sbt-release to 1.5.0

Author: scala-steward

project/plugins.sbt

@@ -2,7 +2,7 @@ addSbtPlugin("org.scoverage" % "sbt-scoverage" % "1.7.2")
 
 addSbtPlugin("org.scoverage" % "sbt-coveralls" % "1.2.7")
 
-addSbtPlugin("com.github.sbt" % "sbt-release" % "1.0.15")
+addSbtPlugin("com.github.sbt" % "sbt-release" % "1.5.0")
 
 addSbtPlugin("com.evolution" % "sbt-scalac-opts-plugin" % "0.0.9")