Update dependency coverage to v7.5.3

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
coverage	7.5.2 -> 7.5.3

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Release Notes

nedbat/coveragepy (coverage)

v7.5.3

Compare Source

• Performance improvements for combining data files, especially when measuring
  line coverage. A few different quadratic behaviors were eliminated. In one
  extreme case of combining 700+ data files, the time dropped from more than
  three hours to seven minutes. Thanks for Kraken Tech for funding the fix.

• Performance improvements for generating HTML reports, with a side benefit of
  reducing memory use, closing issue 1791_. Thanks to Daniel Diniz for
  helping to diagnose the problem.

.. _issue 1791:https://github.com/nedbat/coveragepy/issues/17911

.. _changes_7-5-2:

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Configuration

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This PR has been generated by Mend Renovate. View repository job log here.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.13%. Comparing base (e22cab6) to head (3dc2076).
Report is 25 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #310      +/-   ##
===========================================
- Coverage    89.77%   89.13%   -0.65%     
===========================================
  Files           16       16              
  Lines         1135     1141       +6     
  Branches       184      183       -1     
===========================================
- Hits          1019     1017       -2     
- Misses          82       89       +7     
- Partials        34       35       +1     

Flag	Coverage Δ
unit	89.13% <ø> (-0.65%)	⬇️

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