Prepare v.0.4.0 release

Author: everesio

CHANGELOG.md

@@ -1,5 +1,11 @@
 ## Changelog
 
+
+### [v0.4.0](https://github.com/grepplabs/mqtt-proxy/releases/tag/v0.4.0) - 15 April 2023
+
+* Add AWS SQS and SNS support
+* Flag `--mqtt.publisher.message-format` allows selection of message format: `plain`, `base64` and `json`
+
 ### [v0.3.0](https://github.com/grepplabs/mqtt-proxy/releases/tag/v0.3.0) - 11 April 2023
 
 * Update confluent-kafka-go to v2.0.2

Makefile

@@ -2,7 +2,7 @@
 
 .PHONY: clean build fmt test
 
-TAG           ?= v0.3.0
+TAG           ?= v0.4.0
 
 BUILD_FLAGS   ?=
 BINARY        ?= mqtt-proxy