submodule: bump openthread from `c74ba05` to `1b72b2d` (#41)
submodule: bump openthread from `c74ba05` to `1b72b2d` (#41)

Bumps [openthread](https://github.com/openthread/openthread) from `c74ba05` to `1b72b2d`.
- [Commits](https://github.com/openthread/openthread/compare/c74ba05c443fb05bb45fdbaed9da464cf6111e8b...1b72b2d82e3d91216e18af0a2c4f98fd788afdc5)

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

Co-authored-by: dependabot[bot] <1c358da00a777d4e9898c1280ab801e2df165188@users.noreply.github.com>
openthread/ot-kw41z,openthread/ot-kw41z