[hail] serialize and deserialize SortOrder (#7267)
[hail] serialize and deserialize SortOrder (#7267)

* [hail] serialize and deserialize SortOrder

* bump

cseed/hail,hail-is/hail,danking/hail,danking/hail,cseed/hail,cseed/hail,hail-is/hail,cseed/hail,hail-is/hail,hail-is/hail,danking/hail,cseed/hail,danking/hail,cseed/hail,cseed/hail,hail-is/hail,danking/hail,cseed/hail,hail-is/hail,hail-is/hail,danking/hail,danking/hail,danking/hail,hail-is/hail