submodule: bump third_party/openthread/repo from ae5b750 to 473af53
#6145
| Job | Run time |
|---|---|
| 2m 23s | |
| 2m 23s |
ae5b750 to 473af53
#6145
| Job | Run time |
|---|---|
| 2m 23s | |
| 2m 23s |