Release 0.8.0

Author: yngvar-antonsson

CHANGELOG.md

@@ -5,6 +5,8 @@ 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]
+
+## [0.8.0] - 2021-04-13
 ### Added
 - New default metrics: cpu_user_time, cpu_system_time
 - Vinyl metrics