Update changelog

Update changelog

Author: thecrypticace

CHANGELOG.md

@@ -5,7 +5,9 @@ All notable changes to this project will be documented in this file.
 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]
+## [0.4.0] - 2022-04-21
+
+This release of `@tailwindcss/line-clamp` is designed for Tailwind CSS v3.0+, and is not compatible with earlier versions.
 
 ### Added