Update dependencies for Laravel 9.

Author: mitchdav

composer.json

@@ -42,10 +42,10 @@
     }
   },
   "require": {
-    "illuminate/support": "7.*|8.*"
+    "illuminate/support": "7.*|8.*|9.*"
   },
   "require-dev": {
-    "orchestra/testbench": "5.*|6.*",
-    "phpunit/phpunit": "^8.5.8|^9.3.3"
+    "orchestra/testbench": "5.*|6.*|7.*",
+    "phpunit/phpunit": "^8.5.8|^9.3.3|^9.5.10"
   }
 }