Bump omnibus-software from `3f47c11` to `8381e66` in /omnibus
Bump omnibus-software from `3f47c11` to `8381e66` in /omnibus

Bumps [omnibus-software](https://github.com/chef/omnibus-software) from `3f47c11` to `8381e66`.
- [Release notes](https://github.com/chef/omnibus-software/releases)
- [Commits](https://github.com/chef/omnibus-software/compare/3f47c11c9ea3186faed62ff52e88d0f580a759ff...8381e663bfc4a2f75bd05d8f172ab45d296d554d)

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