2546.Newandimproved

A new :meth:~falcon.Request.get_query_string_as_media method was added to :class:~falcon.Request. The method URL-decodes the entire query string and deserializes it using the configured media handlers. This is useful for implementing the OpenAPI 3.2 querystring parameter location <https://spec.openapis.org/oas/v3.2.0.html#parameter-locations>__, where the entire query string is treated as a single serialized value.