Changes to Update a shipping zone

request property data/type was restricted to a list of enum values

the request property data/attributes/country_code_regex became nullable

the request property data/attributes/metadata became nullable

the request property data/attributes/not_country_code_regex became nullable

the request property data/attributes/not_state_code_regex became nullable

the request property data/attributes/not_zip_code_regex became nullable

the request property data/attributes/reference became nullable

the request property data/attributes/reference_origin became nullable

the request property data/attributes/state_code_regex became nullable

the request property data/attributes/zip_code_regex became nullable

the type request property default value shipping_zones was removed

added the new shipping_zones enum value to the request property data/type

added the media type application/vnd.api+json for the response with the status 200