Bump submodules/googletest from 455fcb7 to 9fce548 (#3820)

Bumps [submodules/googletest](https://github.com/google/googletest) from `455fcb7` to `9fce548`.
- [Release notes](https://github.com/google/googletest/releases)
- [Commits](google/googletest@455fcb7...9fce548)

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

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