Update composer.json

Better way of specifying versioning

Author: specialtactics

composer.json

@@ -13,7 +13,7 @@
         "email": "[email protected]"
     }],
     "require": {
-        "php": ">=7.2.5",
+        "php": "^7.2.5|^8.0",
         "dingo/blueprint": "^0.4",
         "illuminate/routing": "^7.0|^8.0",
         "illuminate/support": "^7.0|^8.0",