Update CHANGELOG

CHANGELOG.md

@@ -2,6 +2,8 @@
 All notable changes to this project will be documented in this file. This change log follows the conventions of [keepachangelog.com](http://keepachangelog.com/).
 
 ## [Unreleased]
+
+## [0.3.0] - 2020-02-06
 ### Added
 - Multimethod support for instrumentation ([#5](https://github.com/athos/postmortem/pull/5))
 - `instrument`'s new option for adding :depth to execution logs ([#6](https://github.com/athos/Postmortem/pull/6))
@@ -13,6 +15,7 @@ All notable changes to this project will be documented in this file. This change
 ## [0.1.0] - 2019-12-09
 - First release
 
-[Unreleased]: https://github.com/athos/postmortem/compare/0.2.0...HEAD
+[Unreleased]: https://github.com/athos/postmortem/compare/0.3.0...HEAD
+[0.3.0]: https://github.com/athos/postmortem/compare/0.2.0...0.3.0
 [0.2.0]: https://github.com/athos/postmortem/compare/0.1.0...0.2.0
 [0.1.0]: https://github.com/athos/postmortem/releases/tag/0.1.0