Update plugins.sbt

Author: pjfanning

project/plugins.sbt

@@ -15,4 +15,4 @@ addSbtPlugin("de.heikoseeberger" % "sbt-header" % "5.5.0")
 addSbtPlugin("org.scalameta" % "sbt-scalafmt" % "2.5.2")
 
 addSbtPlugin("com.lightbend.akka.grpc" % "sbt-akka-grpc" % "2.1.3")
-addSbtPlugin("org.apache.pekko" % "pekko-grpc-sbt-plugin" % "1.0.0")
+addSbtPlugin("org.apache.pekko" % "pekko-grpc-sbt-plugin" % "1.0.2")