build(mods): bump eng in the submodules group

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


Updates `eng` from `e8ed2a4` to `c6a822e`
- [Commits](dailydevops/dotnet-engineering@e8ed2a4...c6a822e)

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

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