Merge pull request #8 from qwert1x/add-support-laravel58

Update composer.json for Laravel 5.8 support

Author: hedii

composer.json

@@ -27,7 +27,7 @@
     },
     "require": {
         "php": "^7.1.3",
-        "illuminate/log": "5.6.*|5.7.*",
+        "illuminate/log": "5.6.*|5.7.*|5.8.*",
         "graylog2/gelf-php": "^1.5"
     },
     "require-dev": {