Enable plain-text rabbitmq on the local test setup

We can't disable it because it is needed by federation-v0.

deploy/dockerephemeral/rabbitmq-config/rabbitmq.conf

@@ -1,12 +1,13 @@
 default_user = $(RABBITMQ_USERNAME)
 default_pass = $(RABBITMQ_PASSWORD)
 
-listeners.tcp = none
+listeners.tcp.default = 5672
 listeners.ssl.default = 5671
 ssl_options.cacertfile = /etc/rabbitmq/certificates/ca.pem
 ssl_options.certfile = /etc/rabbitmq/certificates/cert.pem
 ssl_options.keyfile = /etc/rabbitmq/certificates/key.pem
 
+management.tcp.port = 15672
 management.ssl.port = 15671
 management.ssl.cacertfile = /etc/rabbitmq/certificates/ca.pem
 management.ssl.certfile = /etc/rabbitmq/certificates/cert.pem