Update: Listings Items API now returns granular rate limit throttle messages

The putListingsItem and patchListingsItem operations of the Listings Items API now return information on the granular rate limit throttle messages based on the rate limit level that the request is throttled by.

For more information, refer to Listings Items API Rate Limits.

This change applies to Listings Items v2020-09-01 and Listings Items v2021-08-01.