submodules: bump external/sapphire-paratime from add1b7f to d20b73d
#1338
| Job | Run time |
|---|---|
| 1m 31s | |
| 1m 31s |
add1b7f to d20b73d
#1338
| Job | Run time |
|---|---|
| 1m 31s | |
| 1m 31s |