Unpin librosa and update SciPy pin (#72834)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/72834
This removes the upper bound to librosa's pin and updates the scipy
pin since librosa 0.9 requires SciPy 1.2 or newer.
Test Plan: Imported from OSS
Reviewed By: ngimel
Differential Revision: D34386898
Pulled By: mruberry
fbshipit-source-id: db654bd337b474cd5a2ff8dbb9a659ed272728cf
(cherry picked from commit 4790e8180cf4f48e643ea575af1387dd9fc979b2)
