Merge pull request #3 from clean-css/clean-css-5.1.4

New version with clean css 5.1.4

Author: jakubpawlowicz

CHANGELOG.md

@@ -5,3 +5,7 @@ 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]
+
+## [1.0.1] - 2021-07-29
+### Changed
+- Updates clean-css dependency to version 5.1.4