submodule: bump openthread from `0563240` to `4275b26` (#222)
submodule: bump openthread from `0563240` to `4275b26` (#222)

Bumps [openthread](https://github.com/openthread/openthread) from `0563240` to `4275b26`.
- [Commits](https://github.com/openthread/openthread/compare/0563240a2da8bf2f8d6e2718c703bdf8ed278178...4275b26935977dbf3aa1a0b27d0f6af534fd920a)

---
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