Allow Laravel 6

Author: simon

composer.json

@@ -19,7 +19,7 @@
   ],
   "require": {
     "php": ">=7.0",
-    "illuminate/support": "^5.3",
+    "illuminate/support": "^5.3|^6.0",
     "elasticsearch/elasticsearch": "~6.0"
   },
   "autoload": {