Update sbt-release to 1.4.0

Author: foundweekends-bot[bot]

project/plugins.sbt

@@ -1,7 +1,7 @@
 addSbtPlugin("com.github.sbt" % "sbt-ghpages" % "0.7.0")
 addSbtPlugin("com.github.sbt" % "sbt-site" % "1.5.0")
 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("org.xerial.sbt" % "sbt-sonatype" % "3.9.21")
 addSbtPlugin("org.foundweekends.conscript" % "sbt-conscript" % "0.5.8")