CI: use most recent Cygwin install action

[kmilos]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 64.58%. Comparing base (66bf232) to head (e89a906).
Report is 50 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3106      +/-   ##
==========================================
- Coverage   64.61%   64.58%   -0.04%     
==========================================
  Files         104      104              
  Lines       22252    22261       +9     
  Branches    10923    10916       -7     
==========================================
- Hits        14379    14378       -1     
- Misses       5628     5638      +10     
  Partials     2245     2245              

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