Merge pull request #2 from bitlap/update/sbt-pgp-2.3.1

Update sbt-pgp to 2.3.1

Author: jxnu-liguobin

project/plugins.sbt

@@ -1,6 +1,6 @@
 libraryDependencies += "org.scala-sbt" %% "scripted-plugin" % sbtVersion.value
 
 addSbtPlugin("com.eed3si9n"   % "sbt-buildinfo"  % "0.13.1")
-addSbtPlugin("com.github.sbt" % "sbt-pgp"        % "2.1.2")
+addSbtPlugin("com.github.sbt" % "sbt-pgp"        % "2.3.1")
 addSbtPlugin("com.github.sbt" % "sbt-ci-release" % "1.9.3")
 addSbtPlugin("org.scalameta"  % "sbt-scalafmt"   % "2.5.2")