Update play-akka-http-server, ... to 3.0.0 (#326)

* Update play-akka-http-server, ... to 3.0.0

* upgraded scalatest plus to 7.0.0

build.sbt

@@ -23,7 +23,7 @@ lazy val root = (project in file("."))
     name := "rumble-on-scala",
     resolvers += Resolver.jcenterRepo,
     libraryDependencies ++= Seq(
-      "org.scalatestplus.play" %% "scalatestplus-play" % "5.1.0" % "it, test",
+      "org.scalatestplus.play" %% "scalatestplus-play" % "7.0.0" % "it, test",
       "com.typesafe.play"      %% "play-slick"         % "5.1.0",
       "com.fasterxml.jackson.module" %% "jackson-module-scala" % "2.15.3",
       "com.dimafeng" %% "testcontainers-scala-scalatest" % testContainerVersion % "it",

project/plugins.sbt

@@ -2,7 +2,7 @@ addSbtPlugin("org.scalameta"     %% "sbt-scalafmt"          % "2.5.2")
 addSbtPlugin("org.scalastyle"    %% "scalastyle-sbt-plugin" % "1.0.0")
 addSbtPlugin("org.scoverage"     %% "sbt-scoverage"         % "2.0.9")
 addSbtPlugin("com.github.mwz"    %% "sbt-sonar"             % "2.2.0")
-addSbtPlugin("com.typesafe.play" %% "sbt-plugin"            % "2.9.0")
+addSbtPlugin("org.playframework" %% "sbt-plugin"            % "3.0.0")
 addSbtPlugin("com.github.sbt"     % "sbt-native-packager"   % "1.9.16")
 addSbtPlugin("org.wartremover"    % "sbt-wartremover"       % "3.1.5")
 addSbtPlugin("org.scala-sbt"      % "sbt-autoversion"       % "1.0.0")