Bring ansible-conjur-collection to Certified level

[Conjur-oss]

This epic tracks the work necessary to bring cyberark/ansible-conjur-collection to the "Certified" level described by our [certification-level guidelines|https://github.com/cyberark/community/blob/main/Conjur/conventions/certification-levels.md].

The stories tied to this epic are taken from the [design doc|https://github.com/cyberark/ansible-conjur-collection/blob/certified-roadmap/design/certified_collection_spike.md] produced by John O's spike.