v2 RC1 Changes (#7)

- Changes `items` and `hasItems` on `DocumentList` to be properties
- Updates dependent option/result library, which contains similar changes

Reviewed-on: #7

composer.json

@@ -19,8 +19,8 @@
   },
   "minimum-stability": "RC",
   "require": {
-    "php": "8.2 - 8.3",
-    "bit-badger/inspired-by-fsharp": "^1",
+    "php": ">=8.4",
+    "bit-badger/inspired-by-fsharp": "^2",
     "netresearch/jsonmapper": "^4",
     "ext-pdo": "*"
   },