rabbitmq_http_api_client uses Faraday, and Faraday is moving towards a slightly newer way of expressing "basic auth" in connections.
WARNING: Faraday::Connection#basic_auth is deprecated; it will be removed in version 2.0.
While initializing your connection, use #request(:basic_auth, ...) instead.
See https://lostisland.github.io/faraday/middleware/authentication for more usage info.
rabbitmq_http_api_client uses Faraday, and Faraday is moving towards a slightly newer way of expressing "basic auth" in connections.