Update deps (#435)

Scala-Steward: Update sbt-akka-serialization-helper from 0.8.0 to 0.9.0

Author: scala-steward

examples/akka-cluster-app/project/plugins.sbt

@@ -1,4 +1,4 @@
 addSbtPlugin("com.github.sbt" % "sbt-multi-jvm" % "0.6.0")
-addSbtPlugin("org.virtuslab.ash" % "sbt-akka-serialization-helper" % "0.8.0")
+addSbtPlugin("org.virtuslab.ash" % "sbt-akka-serialization-helper" % "0.9.0")
 addSbtPlugin("org.scalameta" % "sbt-scalafmt" % "2.5.2")
 addSbtPlugin("ch.epfl.scala" % "sbt-scalafix" % "0.13.0")

examples/akka-persistence-app/project/plugins.sbt

@@ -7,4 +7,4 @@ addSbtPlugin("com.github.sbt" % "sbt-native-packager" % sbtNativePackagerVersion
 addSbtPlugin("com.lightbend.akka.grpc" % "sbt-akka-grpc" % akkaGrpcSbtPluginVersion)
 addSbtPlugin("org.scalameta" % "sbt-scalafmt" % "2.5.2")
 addSbtPlugin("ch.epfl.scala" % "sbt-scalafix" % "0.13.0")
-addSbtPlugin("org.virtuslab.ash" % "sbt-akka-serialization-helper" % "0.8.0")
+addSbtPlugin("org.virtuslab.ash" % "sbt-akka-serialization-helper" % "0.9.0")