fix: change logo link so that it renders properly on PyPI

[RobPasMue]

As title says - otherwise logo does not render on PyPI. See https://pypi.org/project/ansys-geometry-core/0.7.1/

See PyMechanical, where this is solved: https://pypi.org/project/ansys-mechanical-core/0.11.7/

[RobPasMue]

@jorgepiloto - just FYI

[RobPasMue]

Pinging @ansys/pyansys-core for visibility on other projects

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.85%. Comparing base (c98c14b) to head (f519403).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1420   +/-   ##
=======================================
  Coverage   91.85%   91.85%           
=======================================
  Files          86       86           
  Lines        6878     6878           
=======================================
  Hits         6318     6318           
  Misses        560      560           

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