Disable spaceship test for MSVC 19.38

[cschreib]

For #140, which still affects MSVC 19.38.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 93.87%. Comparing base (2f62308) to head (4f90eb8).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #161   +/-   ##
=======================================
  Coverage   93.87%   93.87%           
=======================================
  Files          27       27           
  Lines        1664     1664           
=======================================
  Hits         1562     1562           
  Misses        102      102           

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