b3e248bb

Using the new `typed-hpack` branch

This requires a number of changes to the definitions, which have also been split
apart.
Time to Start Worker time Duration Time to finish
Config 1s 1s 1s 2s
Eval 3s 7s 7s 11s
Build 12s 2m24s 2m29s 2m42s
Suite 1s 2m33s 2m41s 2m42s