Simplify dependencies for binding and allow both TEST and PYBIND on
when Python embedded interpreter is available.
This aligns to the new aidge_core dependencies which are self-sufficient.
Update cmake requirements to >=3.18+ in order to support missing
Python embedded interpreter.

This change requires the installed aidge_core library to include the
merge request aidge_core!187

Christophe Guillon authored 7 months ago and Olivier BICHLER committed 6 months ago

Add necessary support for editable mode build with:
pip install --no-build-isolation -v -e .

Reported changes done for this support in aidge_core.
Ref aidge_core merge request aidge_core!154