chore(deps): bump third-party/googletest from 5a37b51 to fa6de7f

Bumps [third-party/googletest](https://github.com/google/googletest) from `5a37b51` to `fa6de7f`.
- [Release notes](https://github.com/google/googletest/releases)
- [Commits](google/googletest@5a37b51...fa6de7f)

---
updated-dependencies:
- dependency-name: third-party/googletest
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>