Prepare changelog for v1.7.1

Author: paulbalandan

CHANGELOG.md

@@ -4,6 +4,10 @@ All notable changes to this library will be documented in this file.
 
 This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [v1.7.1](https://github.com/CodeIgniter/coding-standard/compare/v1.7.0...v1.7.1) - 2022-12-22
+
+- Fix php-cs-fixer version to 3.13.0
+
 ## [v1.7.0](https://github.com/CodeIgniter/coding-standard/compare/v1.6.2...v1.7.0) - 2022-11-01
 
 - Bump php-cs-fixer to v3.13