Update sbt-pgp to 2.3.0 (scala-tessella#25)

Author: scala-steward

project/plugins.sbt

@@ -3,7 +3,7 @@ addSbtPlugin("com.github.sbt" % "sbt-site" % "1.7.0")
 addSbtPlugin("com.github.sbt" % "sbt-site-paradox" % "1.7.0")
 addSbtPlugin("com.github.sbt" % "sbt-ghpages" % "0.8.0")
 addSbtPlugin("org.xerial.sbt" % "sbt-sonatype" % "3.11.3")
-addSbtPlugin("com.github.sbt" % "sbt-pgp" % "2.2.1")
+addSbtPlugin("com.github.sbt" % "sbt-pgp" % "2.3.0")
 addSbtPlugin("com.github.sbt" % "sbt-dynver" % "5.0.1")
 addSbtPlugin("org.scala-js" % "sbt-scalajs" % "1.17.0")
 addSbtPlugin("org.portable-scala" % "sbt-scalajs-crossproject" % "1.3.2")