chore: bump src/common/vendor/yaml-cpp from 4afd53b to 76dc671

Bumps [src/common/vendor/yaml-cpp](https://github.com/jbeder/yaml-cpp) from `4afd53b` to `76dc671`.
- [Release notes](https://github.com/jbeder/yaml-cpp/releases)
- [Commits](jbeder/yaml-cpp@4afd53b...76dc671)

---
updated-dependencies:
- dependency-name: src/common/vendor/yaml-cpp
  dependency-type: direct:production
...

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