[hailtop] add types to AsyncThrottledGather and bounded_gather (#11627)
[hailtop] add types to AsyncThrottledGather and bounded_gather (#11627)

* [hailtop] add types to AsyncThrottledGather and bounded_gather

* more types
hail-is/hail,hail-is/hail,hail-is/hail,hail-is/hail,hail-is/hail,hail-is/hail,hail-is/hail,hail-is/hail