Update dependency coverage to v7.15.4

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
coverage	==7.15.3 → ==7.15.4

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Release Notes

coveragepy/coveragepy (coverage)

v7.15.4

Compare Source

• Fix: in the HTML report, a source file name containing a double quote (legal
  on POSIX) wasn't escaped where it's dropped into the href of the index
  and prev/next links, so it could close the attribute early and inject markup.
  Page URLs are now escaped. Thanks, Rajath Mohare <pull 2227_>_.

• Fix: the LCOV report wrote file names and other fields into its
  line-oriented records without neutralizing control characters. A measured
  file whose name contained a newline (legal on POSIX) could forge extra
  records, inflating the coverage seen by tools that read the report. Control
  characters in a field are now replaced. Thanks, Rajath Mohare <pull 2226_>_.

• Wheels are now provided for Python 3.15.

.. _pull 2226: #​2226
.. _pull 2227: #​2227

.. _changes_7-15-3:

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