message: Changes for 0.7.4 release
  Update CHANGELOG.md
diff: ## Unreleased
  ## Platform Version 0.7.4 - 2020-04-22
  -* Added Partitioner trait for assigning partitions based on record keys
  -* Deprecated the `TopicProducer::send_record` method
  +* Added Partitioner trait for assigning partitions based on record keys (#965)
  +* Deprecated the `TopicProducer::send_record` method (#965)
  +* Decoupled Fluvio CLI from Fluvio server components (#928)
  ## Platform Version 0.7.3 - 2020-04-02
  * Added batching for producing records with `send_all` API ([#896](https://github.com/infinyon/fluvio/pull/896)).
  