Update dependencies to latest laravel version

Author: Micky5991

composer.json

@@ -1,12 +1,12 @@
 {
     "name": "micky5991/laravel-ts3admin",
-    "description": "par0noid/ts3admin integration for Laravel 5.3 and higher",
+    "description": "par0noid/ts3admin integration for Laravel 5.5 and higher",
     "type": "library",
     "license": "GPL-3.0",
     "minimum-stability": "stable",
     "require": {
-        "laravel/framework": "^5.3",
-        "par0noid/ts3admin": "^1.0.2.1"
+        "laravel/framework": "^5.5|^6.0",
+        "par0noid/ts3admin": "^1.0.2.5"
     },
     "autoload": {
         "psr-4": {