update /members to use post-overhaul ancestry metadata

[alexdunnjpl]

🗒️ Summary

'nuf said

⚙️ Test Data and/or Report

in-progress

♻️ Related Issues

Related to NASA-PDS/deep-archive#236
Related to #717
Related to #720

Tightly-coupled to NASA-PDS/registry-sweepers#204

🤓 Reviewer Checklist

Reviewers: Please verify the following before approving this pull request.

Security & Quality

• SonarCloud: Confirmed no new High or Critical security findings.
• Secrets Detection: Verified that the Secrets Detection scan passed and no sensitive information (keys, tokens, PII) is exposed.
• Code Quality: Code follows organization style guidelines and best practices for the specific language (e.g., PEP 8, Google Java Style).

Testing & Validation

• Test Accuracy: Verified that test data is accurate, representative of real-world PDS4 scenarios, and sufficient for the logic being tested.
• Coverage: Automated tests cover new logic and edge cases.
• Local Verification: (If applicable) Successfully built and ran the changes in a local or staging environment.

Documentation

• Documentation: README, Wiki, or inline documentation (Sphinx, Javadoc, Docstrings) have been updated to reflect these changes.

Maintenance

• Issue Traceability: The PR is linked to a valid GitHub Issue or Jira Ticket.
• Backward Compatibility: Confirmed that these changes do not break existing downstream dependencies or API contracts (or that breaking changes are clearly documented).

[sonarqubecloud]

Quality Gate passed

Issues
2 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud