submodule: bump openthread from `009dba9` to `866c960` (#82)
submodule: bump openthread from `009dba9` to `866c960` (#82)

Bumps [openthread](https://github.com/openthread/openthread) from `009dba9` to `866c960`.
- [Commits](https://github.com/openthread/openthread/compare/009dba991b282f4b10c373187a8339efbbcbc8ce...866c9602fb8f8611204823077001ab571b7b43a0)

---
updated-dependencies:
- dependency-name: openthread
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>

Co-authored-by: dependabot[bot] <1c358da00a777d4e9898c1280ab801e2df165188@users.noreply.github.com>
openthread/ot-nxp,openthread/ot-nxp,openthread/ot-nxp