[actions] rpi actions passing even when failing

[dimitre]

I'm not sure why github actions are "passing" even with fatal errors.

../../../libs/openFrameworks/math/ofMath.cpp
  In file included from ../../../libs/openFrameworks/math/ofMath.cpp:1:
  ../../../libs/openFrameworks/math/ofMath.h:5:10: fatal error: glm/fwd.hpp: No such file or directory
      5 | #include <glm/fwd.hpp>
        |          ^~~~~~~~~~~~~
  compilation terminated.
  make[2]: *** [makefileCommon/compile.core.mk:259: 

[roymacdonald]

no idea but this issue might be related to it.