submodule: bump openthread from `82f5ab2` to `5c8a9cb` (#265)
submodule: bump openthread from `82f5ab2` to `5c8a9cb` (#265)

Bumps [openthread](https://github.com/openthread/openthread) from `82f5ab2` to `5c8a9cb`.
- [Commits](https://github.com/openthread/openthread/compare/82f5ab298b0237007ae049a436ca093b2b031f42...5c8a9cb5bc28ce6f794c0d8db7189b1f2dd586ba)

---
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-qorvo,openthread/ot-qorvo,openthread/ot-qorvo