Update CHANGELOG.md

Author: driesvints

CHANGELOG.md

@@ -2,7 +2,19 @@
 
 This changelog follows [the Keep a Changelog standard](https://keepachangelog.com).
 
-## [Unreleased](https://github.com/EventSaucePHP/LaravelEventSauce/compare/0.1.0...master)
+## [Unreleased](https://github.com/EventSaucePHP/LaravelEventSauce/compare/0.2.0...master)
+
+
+## [0.2.0](https://github.com/EventSaucePHP/LaravelEventSauce/compare/0.1.0...0.2.0)
+
+### Changed
+- Laravel 7 is now the minimum supported version
+- PHP 7.4 is now the minimum supported version
+- Aggregate root id cannot be null ([37eec03](https://github.com/EventSaucePHP/LaravelEventSauce/commit/37eec039172ce12a6875ca099d6ea0ff080a0c73))
+- Rename `aggregate_root_id` column to `event_stream` ([f5682b3](https://github.com/EventSaucePHP/LaravelEventSauce/commit/f5682b39b23f4857512273b81561c381c91570d8))
+
+### Fixed
+- Protect from non-aggregate root ([89d5a7b](https://github.com/EventSaucePHP/LaravelEventSauce/commit/89d5a7b63ec46b04e7535f199bca645cc6b09352))
 
 
 ## 0.1.0 (2019-08-29)