matplotlib for librosa

[rsxdalv]

audiotools/setup.py

Line 49 in 7776c29

"matplotlib==3.5", # See https://github.com/librosa/librosa/issues/1763#issuecomment-1742120524

This doesn't seem to match what librosa has. Within stable-audio it didn't seem to break anything to go from 3.5.0 to 3.7.0

https://github.com/librosa/librosa/blob/d0a12c87cdff715ffb8ac1c7383bba1031aa71e4/setup.cfg#L94

librosa does matplotlib >= 3.5.0

[carlthome]

#111