Changes to POST /auth/update-user

added the new optional request property surname

removed the required property user/country from the response with the 200 status

removed the required property user/dateFormat from the response with the 200 status

removed the required property user/preferredCurrency from the response with the 200 status

removed the required property user/preferredLanguage from the response with the 200 status

removed the required property user/preferredMarketDataProviderId from the response with the 200 status

removed the required property user/snapshotFrequency from the response with the 200 status

removed the required property user/timezone from the response with the 200 status

added the required property user/preferences to the response with the 200 status

the user/createdAt response's property format changed from date-time to no format for status 200

the user/onBoardingAt response's property format changed from date-time to no format for status 200

the user/updatedAt response's property format changed from date-time to no format for status 200

added the required property user/preferredMarketDataProviderId to the response with the 200 status