Bump omnibus-software from `f6b11c2` to `c172afb` in /omnibus
Bump omnibus-software from `f6b11c2` to `c172afb` in /omnibus

Bumps [omnibus-software](https://github.com/chef/omnibus-software) from `f6b11c2` to `c172afb`.
- [Release notes](https://github.com/chef/omnibus-software/releases)
- [Commits](https://github.com/chef/omnibus-software/compare/f6b11c27a4610070fc56e158550c3d470368f638...c172afb1399eb676e86f6f8c155fe747e0312f38)

---
updated-dependencies:
- dependency-name: omnibus-software
  dependency-type: direct:production
...

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