[services] Tunnelbroker - Add rabbitMQ to depends_on

Summary:
Add rabbitmq docker image as a dependency for the tunnelbroker.

Related linear tasks: ENG-1056, ENG-1088

Test Plan: Run yarn run-tunnelbroker-service will start rabbitmq as well.

Reviewers: karol-bisztyga, palys-swm, jimpo

Reviewed By: karol-bisztyga, palys-swm

Subscribers: ashoat, palys-swm, Adrian, atul, karol-bisztyga, yayabosh

Differential Revision: https://phabricator.ashoat.com/D3966