submodule: bump openthread from a9805ed to 3a28b7b
#2353
| Job | Run time |
|---|---|
| 1s | |
| 2m 56s | |
| 17m 19s | |
| 17m 33s | |
| 0s | |
| 37m 49s |
a9805ed to 3a28b7b
#2353
| Job | Run time |
|---|---|
| 1s | |
| 2m 56s | |
| 17m 19s | |
| 17m 33s | |
| 0s | |
| 37m 49s |