submodule: bump openthread from `7a1c843` to `169fec2` (#194)
submodule: bump openthread from `7a1c843` to `169fec2` (#194)

Bumps [openthread](https://github.com/openthread/openthread) from `7a1c843` to `169fec2`.
- [Commits](https://github.com/openthread/openthread/compare/7a1c843ffd07e59b1b0ffe907cee1f9418eebdec...169fec2be49d1018a94be6742834edaa78550dab)

---
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-kw41z,openthread/ot-kw41z