Laravel 9 support

Author: andrewdrake

composer.json

@@ -21,13 +21,13 @@
     ],
     "require": {
         "php": "^7.2|^8.0",
-        "illuminate/contracts": "^6.0|^7.0|^8.0"
+        "illuminate/contracts": "^6.0|^7.0|^8.0|^9.0"
     },
     "require-dev": {
         "friendsofphp/php-cs-fixer": "^2.17",
-        "orchestra/testbench": "^4.0",
+        "orchestra/testbench": "^4.0|^5.0|^6.0|^7.0",
         "phpstan/phpstan": "^0.12.65",
-        "phpunit/phpunit": "^8.0"
+        "phpunit/phpunit": "^8.0|^9.0"
     },
     "autoload": {
         "psr-4": {