Rename WindingNumberHorman to WindingNumberHormann

[LasNikas]

While doing #596, I noticed that I misspelled the name "Hormann".

[codecov]

Codecov Report

Attention: Patch coverage is 75.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 69.89%. Comparing base (bf951ba) to head (71a48f8).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
src/setups/complex_shape.jl	50.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #615   +/-   ##
=======================================
  Coverage   69.89%   69.89%           
=======================================
  Files          86       86           
  Lines        5122     5122           
=======================================
  Hits         3580     3580           
  Misses       1542     1542           

Flag	Coverage Δ
unit	69.89% <75.00%> (ø)

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