submodule: bump openthread from 473fbca to 7d61987 (#899)
#1919
| Job | Run time |
|---|---|
| 24m 23s | |
| 24m 12s | |
| 48m 35s |
473fbca to 7d61987 (#899)
#1919
| Job | Run time |
|---|---|
| 24m 23s | |
| 24m 12s | |
| 48m 35s |