[bootstrap] Publish python-dill images to container registry (#11128)
[bootstrap] Publish python-dill images to container registry (#11128)

* [bootstrap] Publish python-dill images to container registry

* enforce HAIL is set
hail-is/hail,hail-is/hail,hail-is/hail,hail-is/hail,hail-is/hail,hail-is/hail,hail-is/hail,hail-is/hail