feat: phone regex fix

external/billing/schemas.py

@@ -35,7 +35,8 @@ class CreateBillRequestSchema(BaseSchema):
     def payer_phone_validator(cls, phone: str) -> str:
         if phone is None:
             return None
-
+        phone = phone.replace('-', '')
+        phone = phone.replace(' ', '')
         if not phone.startswith("+"):
             phone = f"+{phone}"