Update CHANGELOG

Author: driesvints

CHANGELOG.md

@@ -1,6 +1,10 @@
 # Release Notes
 
-## [Unreleased](https://github.com/laravel/octane/compare/v1.5.5...1.x)
+## [Unreleased](https://github.com/laravel/octane/compare/v1.5.6...1.x)
+
+## [v1.5.6](https://github.com/laravel/octane/compare/v1.5.5...v1.5.6) - 2023-05-16
+
+- Support projects using type module by @timacdonald in https://github.com/laravel/octane/pull/696
 
 ## [v1.5.5](https://github.com/laravel/octane/compare/v1.5.4...v1.5.5) - 2023-05-04