Update deployment plugins

Author: ddworak

project/plugins.sbt

@@ -6,5 +6,5 @@ addSbtPlugin("org.scala-js" % "sbt-scalajs" % "0.6.29")
 addSbtPlugin("ch.epfl.scala" % "sbt-scalajs-bundler" % "0.15.0-0.6")
 
 // Deployment configuration
-addSbtPlugin("com.jsuereth" % "sbt-pgp" % "1.1.2")
-addSbtPlugin("org.xerial.sbt" % "sbt-sonatype" % "2.3")
+addSbtPlugin("com.jsuereth" % "sbt-pgp" % "2.0.0-M2")
+addSbtPlugin("org.xerial.sbt" % "sbt-sonatype" % "3.4")