submodule: bump third_party/openthread/repo from 75694d2 to `a8afff…
#5317
| Job | Run time |
|---|---|
| 52s | |
| 21m 34s | |
| 21m 59s | |
| 21m 52s | |
| 18m 7s | |
| 4m 4s | |
| 1m 22s | |
| 21m 59s | |
| 17m 59s | |
| 3m 36s | |
| 6m 6s | |
| 2h 19m 30s |
75694d2 to `a8afff…
#5317
| Job | Run time |
|---|---|
| 52s | |
| 21m 34s | |
| 21m 59s | |
| 21m 52s | |
| 18m 7s | |
| 4m 4s | |
| 1m 22s | |
| 21m 59s | |
| 17m 59s | |
| 3m 36s | |
| 6m 6s | |
| 2h 19m 30s |