Update php-cs-fixer

Author: lancepioch

composer.json

@@ -46,7 +46,7 @@
         "barryvdh/laravel-ide-helper": "^2.4",
         "codedungeon/phpunit-result-printer": "^0.17.1",
         "filp/whoops": "^2.1",
-        "friendsofphp/php-cs-fixer": "^2.8.0",
+        "friendsofphp/php-cs-fixer": "^2.11.1",
         "fzaninotto/faker": "^1.6",
         "mockery/mockery": "^1.0",
         "php-mock/php-mock-phpunit": "^2.1",