Tagging release 1.6.0

[rkingsbury]

Final changes for v1.6.0 release.

• update CHANGELOG
• rename the testing workflow to testing-latest
• Update the DOI for the WW review paper in from_preset docstring

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 87.81%. Comparing base (4f14b17) to head (1e877c3).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #453   +/-   ##
=======================================
  Coverage   87.81%   87.81%           
=======================================
  Files          14       14           
  Lines        1945     1945           
  Branches      338      338           
=======================================
  Hits         1708     1708           
  Misses        188      188           
  Partials       49       49           

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