fix: use older iterdir instead of glob to ensure backwards compatibility

[aelanman]

zipfile.Path.glob wasn't introduced until python 3.12, and we want to maintain support for older versions.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 86.89%. Comparing base (7c0e88d) to head (fa93d25).
⚠️ Report is 11 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #56      +/-   ##
==========================================
+ Coverage   86.73%   86.89%   +0.16%     
==========================================
  Files           8        8              
  Lines         618      641      +23     
==========================================
+ Hits          536      557      +21     
- Misses         82       84       +2     

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