Bump externals/googletest from `5a509db` to `18f8200` (#291)
Bump externals/googletest from `5a509db` to `18f8200` (#291)

Bumps [externals/googletest](https://github.com/google/googletest) from `5a509db` to `18f8200`.
- [Release notes](https://github.com/google/googletest/releases)
- [Commits](https://github.com/google/googletest/compare/5a509dbd2e5a6c694116e329c5a20dc190653724...18f8200e3079b0e54fa00cb7ac55d4c39dcf6da6)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>

Co-authored-by: dependabot[bot] <1c358da00a777d4e9898c1280ab801e2df165188@users.noreply.github.com>
WNProject/WNFramework,WNProject/WNFramework,WNProject/WNFramework,WNProject/WNFramework