Bump omnibus-software from `4707275` to `b6dd27a` in /omnibus
Bump omnibus-software from `4707275` to `b6dd27a` in /omnibus

Bumps [omnibus-software](https://github.com/chef/omnibus-software) from `4707275` to `b6dd27a`.
- [Release notes](https://github.com/chef/omnibus-software/releases)
- [Commits](https://github.com/chef/omnibus-software/compare/4707275bb5cac7643938972738e83723e8fd5621...b6dd27a6456aa6a19bb81e2dd65c8438067b46e9)

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

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
tas50/chef-1,chef/chef,gene1wood/chef,tas50/chef-1,gene1wood/chef,tas50/chef-1,chef/chef,chef/chef,gene1wood/chef,tas50/chef-1,gene1wood/chef,chef/chef