build(deps): bump third_party/cctz from 5b5c77d to 4f25782 (#2392)

Bumps [third_party/cctz](https://github.com/google/cctz) from `5b5c77d` to `4f25782`.
- [Release notes](https://github.com/google/cctz/releases)
- [Commits](google/cctz@5b5c77d...4f25782)

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

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