Upgrade to Play 3.0

Includes switch from Akka to Pekko

atom-manager-play-lib/build.sbt

@@ -3,11 +3,11 @@ import BuildVars._
 name := "atom-manager-play"
 
 libraryDependencies ++= Seq(
-  "com.typesafe.play"      %% "play"                  % playVersion,
+  "org.playframework"      %% "play"                  % playVersion,
   "com.gu"                 %% "content-atom-model"    % contentAtomVersion,
-  "org.scalatestplus.play" %% "scalatestplus-play"    % "6.0.1" % Test,
+  "org.scalatestplus.play" %% "scalatestplus-play"    % "7.0.1" % Test,
   "com.amazonaws"          %  "aws-java-sdk-dynamodb" % awsVersion,
   "org.mockito"            %  "mockito-core"          % mockitoVersion % Test,
-  "com.typesafe.play"      %% "play-test"             % playVersion % Test,
+  "org.playframework"      %% "play-test"             % playVersion % Test,
   guice
 )

atom-manager-play-lib/src/main/scala/com.gu.atom/play/reindex.scala

@@ -2,9 +2,9 @@ package com.gu.atom.play
 
 import java.util.Date
 import javax.inject.{Inject, Singleton}
-import akka.actor.{Actor, ActorRef, ActorSystem, Props}
-import akka.pattern.ask
-import akka.util.Timeout
+import org.apache.pekko.actor.{Actor, ActorRef, ActorSystem, Props}
+import org.apache.pekko.pattern.ask
+import org.apache.pekko.util.Timeout
 import com.gu.atom.data._
 import com.gu.atom.play.ReindexActor._
 import com.gu.atom.publish._

project/BuildVars.scala

@@ -4,6 +4,6 @@ object BuildVars {
   lazy val awsVersion         = "1.11.1034"
   lazy val contentAtomVersion = "4.0.0"
   lazy val scroogeVersion     = "22.1.0"
-  lazy val playVersion        = "2.9.1"
+  lazy val playVersion        = "3.0.2"
   lazy val mockitoVersion     = "4.11.0"
 }