Update composer.json

Author: grkamil

composer.json

@@ -10,7 +10,7 @@
   "require": {
     "php": "^7.1.3",
     "monolog/monolog": "^1.23|^2.0",
-    "laravel/framework": "5.6.*|5.7.*|5.8.*|^6.0|^7.0"
+    "laravel/framework": "5.6.*|5.7.*|5.8.*|^6.0|^7.0|^8.0"
   },
   "minimum-stability": "dev",
   "prefer-stable": true,