fix(ansible): Fix CKV2_ANSIBLE_2

[tsmithv11]

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Description

Variables are flagged by CKV2_ANSIBLE_2, so changed to explicitly flag http and ftp (required prefixes according to the docs: https://docs.ansible.com/ansible/latest/collections/ansible/builtin/get_url_module.html#parameter-url

Fixes #6556

Checklist:

• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have added tests that prove my feature, policy, or fix is effective and works
• New and existing tests pass locally with my changes