submodule: bump openthread from `8361426` to `442b7e8` (#137)
submodule: bump openthread from `8361426` to `442b7e8` (#137)

Bumps [openthread](https://github.com/openthread/openthread) from `8361426` to `442b7e8`.
- [Commits](https://github.com/openthread/openthread/compare/8361426c6757cc35dce12299bed9bb751c7df81d...442b7e82f67617cf754ed905d8e1dec9e1f9de80)

---
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-b91,openthread/ot-b91