Add support for Laravel 10 (#53)

Co-authored-by: atymic <[email protected]>

Author: SamuelNitsche

composer.json

@@ -12,15 +12,15 @@
         }
     ],
     "require": {
-        "php": ">=7.3",
+        "php": "^8.0",
         "guzzlehttp/guzzle": "^7.0.1",
-        "illuminate/notifications": "^8.0",
-        "illuminate/support": " ^8.0"
+        "illuminate/notifications": "^8.0 || ^9.0 || ^10.0",
+        "illuminate/support": "^8.0 || ^9.0 || ^10.0"
     },
     "require-dev": {
         "mockery/mockery": "^1.3.1",
         "phpunit/phpunit": "^9.3",
-        "orchestra/testbench": "^6.0",
+        "orchestra/testbench": "^8.0",
         "dms/phpunit-arraysubset-asserts": ">=0.1.0"
     },
     "autoload": {