Update dependency lxml to v5.1.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
lxml (source, changelog)	==5.0.1 -> ==5.1.0

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Release Notes

lxml/lxml (lxml)

v5.1.0

Compare Source

==================

Features added

• Parsing ASCII strings is slightly faster.

Bugs fixed

• GH#349: The HTML Cleaner() interpreted an accidentally provided string parameter
  for the host_whitelist as list of characters and silently failed to reject any hosts.
  Passing a non-collection is now rejected.

Other changes

• Support for Python 2.7 and Python versions < 3.6 was removed.

• The wheel build was migrated to use cibuildwheel.
  Patch by Primož Godec.

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (fa125c2) 80.60% compared to head (eac2743) 80.60%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1923   +/-   ##
=======================================
  Coverage   80.60%   80.60%           
=======================================
  Files         125      125           
  Lines        5265     5265           
=======================================
  Hits         4244     4244           
  Misses       1021     1021           

Flag	Coverage Δ
unittests	80.60% <ø> (ø)

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