Added Laravel 9 Composer support (#24)

Co-authored-by: Brandon De Rose <[email protected]>

Author: BrandonDR

composer.json

@@ -20,7 +20,7 @@
     "php": ">=7.3 | ^8.0",
     "ext-json": "*",
     "guzzlehttp/guzzle": "^6.3|^7.0",
-    "illuminate/support": "^7.0|^8.0"
+    "illuminate/support": "^7.0|^8.0|^9.0"
   },
   "require-dev": {
     "roave/security-advisories": "dev-master",
@@ -46,4 +46,4 @@
     }
   },
   "minimum-stability": "stable"
-}
+}