Update changelog

Author: shalvah

CHANGELOG.md

@@ -13,6 +13,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Removed
 
+## [3.7.3] - Thursday, 23 May 2019
+### Fixed
+- Added faker_seed (https://github.com/mpociot/laravel-apidoc-generator/commit/d2901e51a68c17066d4dd96054ff5bfdf124945b)
+
 ## [3.7.2] - Sunday, 19 May 2019
 ### Added
 - Support for URL paths in include/exclude rules (https://github.com/mpociot/laravel-apidoc-generator/pull/507)