Bump omnibus-software from `56f6321` to `0dcaeb1` in /omnibus

Bumps [omnibus-software](https://github.com/chef/omnibus-software) from `56f6321` to `0dcaeb1`.
- [Release notes](https://github.com/chef/omnibus-software/releases)
- [Commits](https://github.com/chef/omnibus-software/compare/56f632109747b0db45ecf703f354bb68d89aba4d...0dcaeb1940283bcb98c00dcfe9bb2821726ffa0a)

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