Bump omnibus from `d890d36` to `48266df` in /omnibus
Bump omnibus from `d890d36` to `48266df` in /omnibus

Bumps [omnibus](https://github.com/chef/omnibus) from `d890d36` to `48266df`.
- [Release notes](https://github.com/chef/omnibus/releases)
- [Commits](https://github.com/chef/omnibus/compare/d890d36d350da919cf368a0873f3cec91b6eaa0d...48266df97da2525bd504c864e139c0eb0c9de38e)

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