Changes to Upcoming opening hours

added the new Too Many Requests enum value to the error response property for the response status 429

added the optional property useInstead to the response with the 429 status

the response property retryAfter became required for the status 429

removed the Rate limit exceeded enum value from the error response property for the response status 429

added the non-success response with the status 404

the response property parks/items/schedule/items/purchases/items/price/amount became nullable for the status 200

added the new EXTRA_HOURS enum value to the schedule/items/type response property for the response status 200

added the new INFO enum value to the schedule/items/type response property for the response status 200

added the new OPERATING enum value to the schedule/items/type response property for the response status 200

added the new PRIVATE_EVENT enum value to the schedule/items/type response property for the response status 200

added the new TICKETED_EVENT enum value to the schedule/items/type response property for the response status 200

added the optional property parks/items/schedule/items/description to the response with the 200 status

added the optional property schedule/items/purchases to the response with the 200 status

endpoint added