Merge pull request #12 from designmynight/laravel_9_compatability

chore: update packages to be Laravel 9/PHP 8 compatible

Author: RobJenkinson

composer.json

@@ -10,10 +10,10 @@
         }
     ],
     "require": {
-		"php": "^7.0",
-     	"guzzlehttp/guzzle": ">=1.16.0",
-        "laravel/framework": ">=1.15.5",
-        "laravel/passport": "^4.0|^5.0|^6.0|^7.0|^8.0"
+		"php": "^8.0",
+     	"guzzlehttp/guzzle": "^7.2",
+        "laravel/framework": "^9.0",
+        "laravel/passport": "^10.0"
     },
     "autoload": {
         "psr-4": {"DesignMyNight\\Laravel\\OAuth2\\": "src/"}
@@ -24,7 +24,7 @@
         }
     },
     "require-dev": {
-        "orchestra/testbench": "~3.0"
+        "orchestra/testbench": "^7.0"
     },
     "extra": {
         "laravel": {