6683f943

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 0s 1s 1s 2s
Eval 3s 26s 26s 29s
Build 30s 1m30s 1m35s 2m05s
Suite 0s 1m58s 2m04s 2m05s