fix: Pubtator3 new API responses adaptation (#643)

[gromdimon]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 65.37%. Comparing base (6ece409) to head (737f8c2).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #188   +/-   ##
=======================================
  Coverage   65.37%   65.37%           
=======================================
  Files          52       52           
  Lines        2391     2391           
  Branches      789      789           
=======================================
  Hits         1563     1563           
  Misses        756      756           
  Partials       72       72           

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