fix: fallback to shasum when integrity is not defined
#1100
| Job | Run time |
|---|---|
| 24s | |
| 3m 37s | |
| 3m 8s | |
| 11m 14s | |
| 3m 40s | |
| 3m 11s | |
| 21m 48s | |
| 3m 39s | |
| 3m 25s | |
| 12m 50s | |
| 3m 6s | |
| 2m 47s | |
| 11m 32s | |
| 1h 24m 21s |