Add two cross-repo dep solving repos to Pulp fixtures repo

[pulpbot]

Author: iballou (iballou)

Redmine Issue: 7333, https://pulp.plan.io/issues/7333

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I would like to add https://partha.fedorapeople.org/test-repos/separated/modules-rpms/ and https://partha.fedorapeople.org/test-repos/separated/rpm-deps/ to https://fixtures.pulpproject.org/

They can be used together to test cross-repo dep solving with modular and non-modular RPMs + errata.

[pulpbot]

From: daviddavis (daviddavis) Date: 2020-08-27T15:11:41Z

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Talked to iballou and he offered to submit a patch.