Update dependency sphinx to <7.4.8

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
sphinx (changelog)	<7.4.6 → <7.4.8

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Release Notes

sphinx-doc/sphinx (sphinx)

v7.4.7: Sphinx 7.4.7

Compare Source

Changelog: https://www.sphinx-doc.org/en/master/changes.html

v7.4.6: Sphinx 7.4.6

Compare Source

Changelog: https://www.sphinx-doc.org/en/master/changes.html

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Configuration

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.11%. Comparing base (690e423) to head (3cf54ab).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1894   +/-   ##
=======================================
  Coverage   99.11%   99.11%           
=======================================
  Files         318      318           
  Lines       12361    12361           
=======================================
  Hits        12252    12252           
  Misses        109      109           

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[DominicOram]

I think there are still issues here with sphinx-doc/sphinx#12660, needs investigation