Update version pin on `ansible-core` Python package

[jsf9k]

🗣 Description

This pull request removes the current version pin on the ansible-core Python package, replacing it with a lower bound that guarantees we will never use the problematic versions.

💭 Motivation and context

We can do this because new versions of the ansible-core Python package (2.16.7 and 2.17.0) have been released that do not suffer from the bug discussed in ansible/ansible#82702. This bug broke any symlinked files in vars, tasks, etc. for any Ansible role installed via ansible-galaxy.

Resolves #178.

🧪 Testing

All automated tests pass.

✅ Pre-approval checklist

• [x] This PR has an informative and human-readable title.
• [x] Changes are limited to a single goal - eschew scope creep!
• [x] All relevant type-of-change labels have been added.
• [x] I have read the CONTRIBUTING document.
• [x] These code changes follow cisagov code standards.
• [x] All new and existing tests pass.

[jsf9k]

I think the build is failing because of the current "requests broke docker-py" debacle.