Trying to adjust Makefile & github actions for MacOS testing.

[nicolasnoble]

No description provided.

[codecov]

Codecov Report

Merging #746 (3ba7487) into main (0ac6197) will increase coverage by 2.61%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #746      +/-   ##
==========================================
+ Coverage   26.07%   28.68%   +2.61%     
==========================================
  Files         213      222       +9     
  Lines       62343    64857    +2514     
==========================================
+ Hits        16255    18607    +2352     
- Misses      46088    46250     +162     

Impacted Files	Coverage Δ
src/support/file.h	42.85% <0.00%> (-44.95%)	⬇️
src/core/r3000a.cc	54.08% <0.00%> (-2.92%)	⬇️
src/core/DynaRec_x64/recompiler.cc	82.99% <0.00%> (-2.83%)	⬇️
src/core/DynaRec_x64/recompiler.h	61.11% <0.00%> (-2.08%)	⬇️
src/core/pad.cc	18.76% <0.00%> (-1.88%)	⬇️
src/core/DynaRec_x64/instructions.cc	53.73% <0.00%> (-1.88%)	⬇️
src/gui/gui.cc	34.69% <0.00%> (-0.86%)	⬇️
src/lua/luawrapper.cc	20.35% <0.00%> (-0.79%)	⬇️
src/core/cdrom.cc	5.89% <0.00%> (-0.06%)	⬇️
src/support/settings.h	76.13% <0.00%> (-0.06%)	⬇️
... and 53 more

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