submodules: bump external/sapphire-paratime from 398f116 to a884b64
#1700
| Job | Run time |
|---|---|
| 1m 36s | |
| 1m 36s |
398f116 to a884b64
#1700
| Job | Run time |
|---|---|
| 1m 36s | |
| 1m 36s |