Update changelog for v3.2.0: document cache access fix in TailwindClassMerge

Author: Mr Chetan

CHANGELOG.md

@@ -4,6 +4,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## v3.2.0 (2025-07-31)
+### Fixed
+-   Fix cache access in TailwindClassMerge
+
 ## v3.1.0 (2025-07-31)
 ### Updated
 -   Update package dependencies