docs: Update changelog

Author: epage

clap_complete/CHANGELOG.md

@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 <!-- next-header -->
 ## [Unreleased] - ReleaseDate
 
+- *(zsh)* Improved escaping
+
 ## [4.2.0] - 2023-03-28
 
 ## [4.1.6] - 2023-03-28