fix: fallback to shasum when integrity is not defined
#1101
| Job | Run time |
|---|---|
| 21s | |
| 3m 41s | |
| 3m 26s | |
| 10m 50s | |
| 3m 43s | |
| 3m 42s | |
| 14m 6s | |
| 3m 52s | |
| 3m 28s | |
| 16m 19s | |
| 3m 8s | |
| 2m 48s | |
| 12m 13s | |
| 1h 21m 37s |