Updated json serialization using RationalMoney

Author: toonvandenbos

composer.json

@@ -23,5 +23,10 @@
             "name": "Toon Van den Bos",
             "email": "[email protected]"
         }
-    ]
+    ],
+    "config": {
+        "allow-plugins": {
+            "pestphp/pest-plugin": true
+        }
+    }
 }