submodule: bump openthread from `3f84627` to `2e625bf` (#102)
submodule: bump openthread from `3f84627` to `2e625bf` (#102)

Bumps [openthread](https://github.com/openthread/openthread) from `3f84627` to `2e625bf`.
- [Commits](https://github.com/openthread/openthread/compare/3f8462709baf7402f323c44d96ee1785797ce549...2e625bfe39768e0fdcfd5a40f9fbc49673b30686)

---
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-samr21,openthread/ot-samr21