Bump third_party/openthread/repo from 98e644d to f2c02df (#24225)

Bumps [third_party/openthread/repo](https://github.com/openthread/openthread) from `98e644d` to `f2c02df`.
- [Release notes](https://github.com/openthread/openthread/releases)
- [Commits](openthread/openthread@98e644d...f2c02df)

---
updated-dependencies:
- dependency-name: third_party/openthread/repo
  dependency-type: direct:production
...

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