Add php 8.1 as optional php version

composer.json

@@ -32,12 +32,12 @@
     }
   },
   "require": {
-    "php": ">=7.1",
+    "php": ">=7.1|^8.0",
     "composer/installers": "~1.0",
     "illuminate/support": "5.6.*",
     "roots/sage-lib": "~9.0.9",
     "soberwp/controller": "~2.1.0",
-    "htmlburger/carbon-fields": "^3.1",
+    "htmlburger/carbon-fields": "^3.2",
     "mwdelaney/sage-bootstrap4-navwalker": "^1.6"
   },
   "require-dev": {