Bump composer dependencies for php 8.0+ (#280)

Co-authored-by: J-Brk <[email protected]>

composer.json

@@ -23,7 +23,7 @@
     }
   ],
   "require": {
-    "php": ">=7.1",
+    "php": ">=7.1|^8.0",
     "ext-json": "*",
     "illuminate/config": "5.8.* || ^6.0 || ^7.0 || ^8.0 || ^9.0",
     "illuminate/support": "5.8.* || ^6.0 || ^7.0 || ^8.0 || ^9.0"