Update CHANGELOG

Author: imdhemy

CHANGELOG.md

@@ -6,6 +6,14 @@ 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).
 
+## 1.9.1 - 2023-12-15
+
+### What's Changed
+
+* Fix: Defer subscription with google not working by @imdhemy in https://github.com/imdhemy/laravel-in-app-purchases/pull/375
+
+**Full Changelog**: https://github.com/imdhemy/laravel-in-app-purchases/compare/1.9.0...1.9.1
+
 ## 1.9.0 - 2023-09-19
 
 ### Added