suggest etcd-server >= 3.4.0 in deb pkg (#815)

Sets a minimum version of 3.4.0 for the suggested etcd-server dependancy.

CHANGELOG.md

@@ -19,6 +19,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Updated RabbitMQ HTTP API Go client test to use a patch-file for LavinMQ compatibility [#778](https://github.com/cloudamqp/lavinmq/pull/778)
 - Renames clustering_max_lag -> clustering_max_unsynced_actions to clarify that it is measured in number of actions [#810](https://github.com/cloudamqp/lavinmq/pull/810)
 - Renames lag -> lag_in_bytes to clarify that lag is measured in bytes [#810](https://github.com/cloudamqp/lavinmq/pull/810)
+- Suggests etcd 3.4.0 as min version [#815](https://github.com/cloudamqp/lavinmq/pull/815)
 
 ### Added
 

debian/control

@@ -9,7 +9,7 @@ Maintainer: CloudAMQP <[email protected]>
 Package: lavinmq
 Architecture: any
 Depends: ${shlibs:Depends}, ${misc:Depends}, adduser
-Suggests: etcd-server
+Suggests: etcd-server (>= 3.4.0)
 Description: message queue server that implements the AMQP 0-9-1 protocol
  Aims to be very fast, have low RAM requirements,
  handle very long queues, many connections and