GNPy v2.8

This new release adds some improvements in existing features,
and some new features:

• Spectrum assignment now supports multiple slots assignments
  in a single request.
• Logs are now generalized in the library instead of bare
  prints. Default verbose is "WARNING".
• Chromatic dispersion, effective area, Raman Gain coefficient,
  and nonlinear coefficient can now be defined with a scaling
  along frequency.
• Power equalization now enables defining a power offset
  in transceiver library to represent the deviation from the
  general equalisation strategy defined in ROADMs.
• Propagation now includes a latency calculation
• The library now supports of python 3.12