[FEATURE] CI tests should also include Python 3.13

[neuronflow]

Given that we want to support Python 3.13 our CI tests should also include it:

[neuronflow]

we need to fix unit tests asap :)

[MarcelRosier]

we need to fix unit tests asap :)

likely not an issue with the tests, see discussion in #229

[neuronflow]

Your analysis seems correct, thank you :)