Bump lxml to a version compatible with Python 3.11 on Windows

[joanise]

This makes RAS properly compatible with Python 3.11 everywhere, although installation on Windows will require a compiler until the SoundSwallower wheels are published for 3.11 (see ReadAlongs/SoundSwallower#60)

[github-actions]

CLI load time: 0:00.35
Pull Request HEAD: 7f1f47fe714e2a2b0ee659058341efc14a0a3f5d
Imports that take more than 0.1 s:
import time: self [us] | cumulative | imported package
import time:    262521 |     322151 | pkg_resources

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (53be622) 87.04% compared to head (7f1f47f) 87.04%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #197   +/-   ##
=======================================
  Coverage   87.04%   87.04%           
=======================================
  Files          21       21           
  Lines        1744     1744           
  Branches      315      315           
=======================================
  Hits         1518     1518           
  Misses        189      189           
  Partials       37       37           

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[roedoejet]

looks good, thanks