submodule: bump openthread from 3f99b11 to 666a9bd (#761)
#1597
| Job | Run time |
|---|---|
| 23m 5s | |
| 23m 33s | |
| 46m 38s |
3f99b11 to 666a9bd (#761)
#1597
| Job | Run time |
|---|---|
| 23m 5s | |
| 23m 33s | |
| 46m 38s |