Update CHANGELOG.md

CHANGELOG.md

@@ -40,7 +40,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## Unreleased
+## [v0.12.0](https://github.com/NibiruChain/nibiru/releases/tag/v0.12.0) - 2022-08-03
 
 ### Improvements
 
@@ -79,7 +79,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 * [#741](https://github.com/NibiruChain/nibiru/pull/741) - remove unused code and refactored variable names.
 * [#742](https://github.com/NibiruChain/nibiru/pull/742) - Vpools are not tradeable if they have invalid oracle prices.
 * [#739](https://github.com/NibiruChain/nibiru/pull/739) - Bump github.com/spf13/viper from 1.11.0 to 1.12.0
- 
+
 ### API Breaking
 
 * [#721](https://github.com/NibiruChain/nibiru/pull/721) - Updated proto property names to adhere to standard snake_casing and added Unlock REST endpoint