Release 9.0.1

[ci skip]

Author: mmoll

CHANGELOG.md

@@ -3,6 +3,10 @@
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
+## [9.0.1] - 2023-12-12
+### Changed
+- Fix invalid property case (fixes a runtime error when using PHPCS 3.8.0+)
+
 ## [9.0.0] - 2022-08-23
 ### Added
 - Add PHP 8.1 support