Updated CHANGELOG to prepare for v3.0.2 release

CHANGELOG.md

@@ -4,9 +4,14 @@ All notable changes to this project are 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
+## [3.0.2] - 2021-10-26
 ### Added
 - UniqueSlugifyTest to test the slugger on its own
+### Changed
+- Bumped minimum PHP version up to v7.2
+- Minor test code enhancements (thanks @peter279k!)
+### Removed
+- Support for most pre-PHP7 versions of `cocur/slugify`
 
 ## [3.0.1] - 2020-12-07
 ### Added