Feature/Dependency Upgrade. (#1)

* Domain model upgraded to v4.0.0.
* Criteria upgraded to v4.0.0.
* Dropped support for PHP 8.1.

Author: othercodes

composer.json

@@ -11,10 +11,10 @@
   ],
   "minimum-stability": "stable",
   "require": {
-    "php": "^8.0.0",
+    "php": "^8.2",
     "ext-json": "*",
     "complex-heart/contracts": "^2.0.0",
-    "complex-heart/domain-model": "^3.0.0",
-    "complex-heart/criteria": "^3.0.0"
+    "complex-heart/domain-model": "^4.0.0",
+    "complex-heart/criteria": "^4.0.0"
   }
 }