akka 2.5.13 (#8480)
akka 2.5.13 (#8480)

https://akka.io/blog/news/2018/06/08/akka-2.5.13-released

There is a config change in the release, but I don't think it effects us:
```
akka.typed -> akka.actor.typed
akka.testkit.typed -> akka.actor.testkit.typed
```
marcospereira/playframework,marcospereira/playframework,benmccann/playframework,wegtam/playframework,mkurz/playframework,marcospereira/playframework,playframework/playframework,playframework/playframework,benmccann/playframework,mkurz/playframework,mkurz/playframework,Shenker93/playframework,Shenker93/playframework,mkurz/playframework,wegtam/playframework,wegtam/playframework,playframework/playframework,marcospereira/playframework,benmccann/playframework,benmccann/playframework,wegtam/playframework,Shenker93/playframework,Shenker93/playframework