Add support for PyPy3.11.

[wRAR]

[codecov[bot]]

Codecov Report

:white_check_mark: All modified and coverable lines are covered by tests. :white_check_mark: Project coverage is 96.08%. Comparing base (0c4bce2) to head (efcc78f). :warning: Report is 6 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #155   +/-   ##
=======================================
  Coverage   96.08%   96.08%           
=======================================
  Files           3        3           
  Lines         894      894           
  Branches      141      141           
=======================================
  Hits          859      859           
  Misses         14       14           
  Partials       21       21           

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[wRAR]

~~Needs lxml.~~