Merge pull request #11 from scala-steward/update/sbt-pgp-1.1.2

Update sbt-pgp to 1.1.2

Author: TATSUNO Yasuhiro

project/plugins.sbt

@@ -2,4 +2,4 @@ addSbtPlugin("org.scala-js"      % "sbt-scalajs"  % "0.6.28")
 addSbtPlugin("org.scalameta"     % "sbt-scalafmt" % "2.0.2")
 addSbtPlugin("org.xerial.sbt"    % "sbt-sonatype" % "2.5")
 addSbtPlugin("com.github.gseitz" % "sbt-release"  % "1.0.11")
-addSbtPlugin("com.jsuereth"      % "sbt-pgp"      % "1.1.1")
+addSbtPlugin("com.jsuereth"      % "sbt-pgp"      % "1.1.2")