gh-155835: fix digest_size data race on BLAKE-2 objects
#289428
| Job | Run time |
|---|---|
| 6s | |
| 6s | |
| 12s |
digest_size data race on BLAKE-2 objects
#289428
| Job | Run time |
|---|---|
| 6s | |
| 6s | |
| 12s |