[release/7.0] (deps): Bump src/submodules/googletest (#49771)

Bumps [src/submodules/googletest](https://github.com/google/googletest) from `be03d00` to `6f6ab42`.
- [Release notes](https://github.com/google/googletest/releases)
- [Commits](https://github.com/google/googletest/compare/be03d00f5f0cc3a997d1a368bee8a1fe93651f48...6f6ab4212aa02cfe02e480711246da4fc17b0761

)

---
updated-dependencies:
- dependency-name: src/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>

googletest @ 6f6ab421

-Subproject commit be03d00f5f0cc3a997d1a368bee8a1fe93651f48
+Subproject commit 6f6ab4212aa02cfe02e480711246da4fc17b0761