Update changelog

CHANGELOG.md

@@ -4,6 +4,15 @@ 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]
+
+### Changed
+* PHP: Update wp-coding-standards/wpcs from 2.3.0 to 3.0.1.
+* PHP: Update slevomat/coding-standard from 8.8.0 to 8.14.1.
+* PHP: Update sirbrillig/phpcs-variable-analysis from 2.11.10 to 2.11.17.
+* JS: Increase minimum peer dependency of `@wordpress/eslint-plugin` from 13 to 17.
+* JS: Increase minimum peer dependency of `prettier` from 2.6 to 3.0.
+
 ## [5.0.0] - 2023-01-27
 
 ### Changed