Update composer.json

Author: jeremykenedy

composer.json

@@ -15,14 +15,14 @@
         }
     ],
     "require": {
-        "php": ">=7.1.3",
-        "laravel/framework": "5.8.*"
+        "php": "^7.2",
+        "laravel/framework": "^6.0"
     },
     "require-dev": {
-        "illuminate/support": "^5.8",
-        "orchestra/testbench": "~3.0",
-        "phpunit/phpunit": "^7.5",
-        "laravel/laravel": "5.8.*"
+        "illuminate/support": "^6.0.2",
+        "orchestra/testbench": "^3.8.5",
+        "phpunit/phpunit": "^8.3.4",
+        "laravel/laravel": "^6.0"
     },
     "autoload": {
         "psr-4": {