Updated CHANGELOG

Author: Antonio-Laguna

CHANGELOG.md

@@ -1,5 +1,17 @@
 # Changes to PostCSS Extend Rule
 
+### 4.0.0 (February 10, 2022)
+
+- PostCSS 8 support (thanks to [@bjentsch](https://github.com/bjentsch)!) (breaking)
+- Supporting only Node 12, 14 and >= 16 (breaking).
+- Updated `postcss-nesting` to `7.0.1` (major)
+- Updated `babel-core`, `@babel/preset-env` to `7.5.5` (major)
+- Updated `eslint` to `6.1.0` (major)
+- Updated `rollup` to `1.17.0` (major)
+- Updated `rollup-plugin-babel` to `4.3.3` (major)
+
+### 3.0.0 (July 29, 2019)
+
 ### 2.0.0 (September 19, 2017)
 
 - Added: `name` option to override the name of the extending at-rule.