Upgrade play2-scala-reactivemongo to Play 2.7 as well (#4431)

This reverts commit 0a9cb1b962450139af7122584c25e875a1a76d63.

frameworks/Scala/play2-scala/play2-scala-reactivemongo/build.sbt

@@ -7,8 +7,8 @@ lazy val root = (project in file(".")).enablePlugins(PlayScala, PlayNettyServer)
 scalaVersion := "2.12.8"
 
 libraryDependencies ++= Seq(
-  "org.reactivemongo" %% "play2-reactivemongo" % "0.16.0-play26",
-  "org.reactivemongo" %% "reactivemongo-play-json" % "0.16.0-play26",
+  "org.reactivemongo" %% "play2-reactivemongo" % "0.16.2-play27",
+  "org.reactivemongo" %% "reactivemongo-play-json" % "0.16.2-play27",
   "com.softwaremill.macwire" %% "macros" % "2.3.0",
   "com.softwaremill.macwire" %% "util" % "2.3.0"
 )

frameworks/Scala/play2-scala/play2-scala-reactivemongo/project/plugins.sbt

@@ -1 +1 @@
-addSbtPlugin("com.typesafe.play" % "sbt-plugin" % "2.6.21")
+addSbtPlugin("com.typesafe.play" % "sbt-plugin" % "2.7.0")