chore(release): 4.0.0-rc.0

Author: alexander-akait

CHANGELOG.md

@@ -3,6 +3,14 @@
 All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](http://semver.org/).
 
+## [4.0.0-rc.0] - 2020-07-25
+
+### BREAKING CHANGE
+
+- minimum supported `Node.js` version is `>= 10.13.0 || >= 12.13.0 || >= 14`
+- minimum supported `postcss` version is `^8.0.3`
+- `postcss` was moved to `peerDependencies`, you need to install `postcss` in your project before use the plugin
+
 ## [3.0.3] - 2020-07-25
 
 ### Fixed