By: Michael Lynch <git@mtlynch.io>
Use uint32 for media variant widths Media variant widths flow into image resizing functions that already accept uint32 values. Store widths as uint32 and pass them through without extra casts.
| Time to Start | Worker time | Duration | Time to finish | |
| Config | 1s | 5s | 5s | 7s |
| Eval | 5s | 27s | 27s | 33s |
| Build | 10s | 4m48s | 2m27s | 2m37s |
| Suite | 1s | 5m20s | 2m36s | 2m37s |