demoting xoak so quit getting deprecation warning everywhere

[kthyng]

Pull Request Reminders

• Add tests for the new functionality.
• Add a bullet to docs/whats_new.rst describing your new work. If not already present, add a new section at the top of the document stating "[expected new version number] (unreleased)", for example: "v0.7.3 (unreleased)"

[codecov]

Codecov Report

❌ Patch coverage is 0% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 82.75%. Comparing base (b6d3fd1) to head (beb5165).
⚠️ Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
extract_model/extract_model.py	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #106      +/-   ##
==========================================
- Coverage   82.80%   82.75%   -0.05%     
==========================================
  Files          19       19              
  Lines        2059     2059              
==========================================
- Hits         1705     1704       -1     
- Misses        354      355       +1     

Flag	Coverage Δ
unittests	82.75% <0.00%> (-0.05%)	⬇️

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