window CI build cannit find `OpenCL`

[StRigaud]

CMake cannot find OpenCL installed as a dependency of the oclgrind package with conda

[StRigaud]

see:

• failling: Extended and corrected the docstring of push concerning the dtype parameter #152
• passing: Bump actions/upload-artifact from 3 to 4 #133

windows path contain the conda env but cmake fail to find the OpenCL.lib shipped as a dependency of oclgrind