This patch adds the openstack.kolla collection to the Galaxy
requirements. It is installed from the OpenDev git repository. The
collection is not yet used by Kayobe.

Zuul cross-project dependencies on the ansible-collection-kolla
repository are supported (and used in this commit).

Story: 2009854
Task: 44503

Depends-On: https://review.opendev.org/c/openstack/ansible-collection-kolla/+/820165/
Change-Id: I91cbac839f816a00ac54bc4a350f44b5ae457cc3