Prepare new release

CHANGELOG.md

@@ -1,18 +1,21 @@
 CHANGELOG
 =========
 
-[Next release](https://github.com/rebing/graphql-laravel/compare/5.0.0...master)
+[Next release](https://github.com/rebing/graphql-laravel/compare/5.1.0...master)
 --------------
+
+2019-04-22, 5.1.0
+-----------------
 ### Added
 - Add support for validation in field arguments [\#608 / crissi](https://github.com/rebing/graphql-laravel/pull/608)
+- Add support for modifiers to `GraphQL::type` [\#621 / stevelacey](https://github.com/rebing/graphql-laravel/pull/621)
 
 2019-04-03, 5.0.0
 -----------------
 ### Added
 - Support Laravel 7 [\#597 / exodusanto](https://github.com/rebing/graphql-laravel/pull/597)
 - Add support for custom authorization message [\#578 / Sh1d0w](https://github.com/rebing/graphql-laravel/pull/578)
 - Add support for macros on the GraphQL service/facade [\#592 / stevelacey](https://github.com/rebing/graphql-laravel/pull/592)
-- Add support for modifiers to `GraphQL::type` [\#621 / stevelacey](https://github.com/rebing/graphql-laravel/pull/621)
 ### Fixed
 - Fix the infinite loop as well as sending the correct matching input data to the rule-callback [\#579 / crissi](https://github.com/rebing/graphql-laravel/pull/579)
 - Fix selecting not the correct columns for interface fields [\#607 / illambo](https://github.com/rebing/graphql-laravel/pull/607)