changelog: fix typo

Author: mfn

CHANGELOG.md

@@ -8,7 +8,7 @@ CHANGELOG
 ---------------------
 
 ## Breaking changes
-- Upgrade to webonxy/graphql-php 14.0.0 [\#645 / mfn](https://github.com/rebing/graphql-laravel/pull/645)
+- Upgrade to webonyx/graphql-php 14.0.0 [\#645 / mfn](https://github.com/rebing/graphql-laravel/pull/645)
 - Remove support for Laravel < 6.0 [\#651 / mfn](https://github.com/rebing/graphql-laravel/pull/651)
   This also bumps the minimum required version to PHP 7.2