submodule: bump openthread from `f107e13` to `7d75fc6` (#69)
submodule: bump openthread from `f107e13` to `7d75fc6` (#69)

Bumps [openthread](https://github.com/openthread/openthread) from `f107e13` to `7d75fc6`.
- [Commits](https://github.com/openthread/openthread/compare/f107e139f8283afd69d2b9784554de24055e1d12...7d75fc62e1a8dc48031433035af496127f74d4ba)

---
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-nxp,openthread/ot-nxp,openthread/ot-nxp