submodule: bump openthread from `afcc48e` to `eeb6ab0` (#338)
submodule: bump openthread from `afcc48e` to `eeb6ab0` (#338)

Bumps [openthread](https://github.com/openthread/openthread) from `afcc48e` to `eeb6ab0`.
- [Commits](https://github.com/openthread/openthread/compare/afcc48eddec3a43cc856be6d4423bdbd906edc66...eeb6ab0c8ea8ddcd6ae1dbb01a12f43a4e52e76b)

---
updated-dependencies:
- dependency-name: openthread
  dependency-type: direct:production
...

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

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
Co-authored-by: dependabot[bot] <1c358da00a777d4e9898c1280ab801e2df165188@users.noreply.github.com>
openthread/ot-b91,openthread/ot-b91