Changes to Get PMS providers

the items/apiKey response property's maxLength was unset from 255 for the response status 200

the items/endpoint response property's maxLength was unset from 255 for the response status 200

the items/name response property's maxLength was unset from 255 for the response status 200

the items/apiKey response property's minLength was decreased from 1 to 0 for the response status 200

the items/endpoint response property's minLength was decreased from 1 to 0 for the response status 200

the items/name response property's minLength was decreased from 1 to 0 for the response status 200

the query request parameter businessLocationId became optional

removed the non-success response with the status 403

removed the non-success response with the status 503

added the new ENRICHED_PAYLOAD enum value to the items/features/items response property for the response status 200