Use CITATION.cff instead of bib

[tmigot]

Close #125

@article{Orban_A_regularization_method_2020,
author = {Orban, Dominique and Soares Siqueira, Abel},
doi = {10.1007/s10589-020-00201-2},
journal = {Computational Optimization and Applications},
month = jun,
number = {3},
pages = {961},
title = {{A regularization method for constrained nonlinear least squares}},
volume = {76},
year = {2020}
}

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (4c53c42) 91.73% compared to head (bec3212) 91.73%.
Report is 1 commits behind head on main.

Additional details and impacted files

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  Coverage   91.73%   91.73%           
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  Files           3        3           
  Lines         508      508           
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  Hits          466      466           
  Misses         42       42           

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