build(mods): bump the submodules group with 1 update

Bumps the submodules group with 1 update: [eng](https://github.com/dailydevops/dotnet-engineering).


Updates `eng` from `202555a` to `4b6ef52`
- [Commits](dailydevops/dotnet-engineering@202555a...4b6ef52)

---
updated-dependencies:
- dependency-name: eng
  dependency-type: direct:production
  dependency-group: submodules
...

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