build(deps): bump third_party/cctz from bb0595b to 5b5c77d (f4pga…

…#2357)

Bumps [third_party/cctz](https://github.com/google/cctz) from `bb0595b` to `5b5c77d`.
- [Release notes](https://github.com/google/cctz/releases)
- [Commits](google/cctz@bb0595b...5b5c77d)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>