These two CLs generated by:

`atest host migrate`: uses python libraries in chromiumos/infra/skylab_inventory:
https://chrome-internal-review.googlesource.com/c/chromeos/infra_internal/skylab_inventory/+/800749

`skylab resize-pool`: uses golang libraries in infra
https://chrome-internal-review.googlesource.com/c/chromeos/infra_internal/skylab_inventory/+/800645

have large diffs because they disagree on the sorting order of SchedulableLabels

We want to actually kill of the python libraries entirely. But the migration tool is likely to continue to be used for the next quarter, so this should be fixed.