Update sbt-release to 1.4.0 in series/6.2.x

Author: argonaut-bot[bot]

project/plugins.sbt

@@ -2,7 +2,7 @@ scalacOptions += "-deprecation"
 
 addSbtPlugin("com.github.sbt" % "sbt-pgp" % "2.2.1")
 
-addSbtPlugin("com.github.sbt" % "sbt-release" % "1.3.0")
+addSbtPlugin("com.github.sbt" % "sbt-release" % "1.4.0")
 
 addSbtPlugin("com.typesafe" % "sbt-mima-plugin" % "1.1.3")