Bump extern/googletest from bb92160 to 6b74da4 (#31)

Bumps [extern/googletest](https://github.com/google/googletest) from `bb92160` to `6b74da4`.
- [Release notes](https://github.com/google/googletest/releases)
- [Commits](google/googletest@bb92160...6b74da4)

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

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

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

Author: dependabot[bot]

extern/dd_package/extern/googletest

@@ -1 +1 @@
-Subproject commit bb9216085fbbf193408653ced9e73c61e7766e80
+Subproject commit 6b74da4757a549563d7c37c8fae3e704662a043b