Pass deps to PDC in the new style.
Pass deps to PDC in the new style.

This is only one half of the new modulemd-1.0 problems to solve.

This relates to:

- https://github.com/fedora-modularity/product-definition-center/pull/9
- https://pagure.io/fm-orchestrator/pull-request/190

fedora-infra/pdc-updater