Sending or retreiving RFC is not mandatory

Author: Andres Hernandez

cuenca/resources/limited_wallets.py

@@ -15,7 +15,7 @@ class LimitedWallet(Wallet):
     _resource: ClassVar = 'limited_wallets'
     _query_params: ClassVar = AccountQuery
     account_number: Clabe
-    allowed_rfc: Rfc
+    allowed_rfc: Optional[Rfc]
     allowed_curp: CurpField
 
     @classmethod