Bump third_party/pigweed/repo from 544a7b5 to ea93eb5 (project-ch…

…ip#32404)

Bumps [third_party/pigweed/repo](https://github.com/google/pigweed) from `544a7b5` to `ea93eb5`.
- [Commits](google/pigweed@544a7b5...ea93eb5)

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

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