Add `broker` dependency in `web` docker-compose service.
Add `broker` dependency in `web` docker-compose service.

akatsoulas/mozillians,mozilla/mozillians,mozilla/mozillians,mozilla/mozillians,fxa90id/mozillians,fxa90id/mozillians,johngian/mozillians,akatsoulas/mozillians,johngian/mozillians,mozilla/mozillians,johngian/mozillians,fxa90id/mozillians,akatsoulas/mozillians,fxa90id/mozillians,johngian/mozillians,akatsoulas/mozillians