Update CHANGELOG

Author: nunomaduro

CHANGELOG.md

@@ -1,6 +1,11 @@
 # Release Notes
 
-## [Unreleased](https://github.com/laravel/pint/compare/v1.18.3...main)
+## [Unreleased](https://github.com/laravel/pint/compare/v1.19.0...main)
+
+## [v1.19.0](https://github.com/laravel/pint/compare/v1.18.3...v1.19.0) - 2024-12-30
+
+* Adds `single_line_comment_spacing` rule. https://github.com/laravel/pint/pull/315
+* Ignores PHP 8.4 deprecations. https://github.com/laravel/pint/pull/319
 
 ## [v1.18.3](https://github.com/laravel/pint/compare/v1.18.2...v1.18.3) - 2024-11-26