Changes to Update export storage

the title request property's maxLength was decreased to 256

added the new optional request property can_delete_objects

added the new optional request property synchronizable

added the media type application/x-www-form-urlencoded to the request body

added the media type multipart/form-data to the request body

the request property description became nullable

the request property path became nullable

the request property regex_filter became nullable

the request property title became nullable

the use_blob_urls request property default value false was removed