Update coverage to 7.4.3

[pyup-bot]

This PR updates coverage from 7.4.1 to 7.4.3.

Changelog

7.4.3

--------------------------

- Fix: in some cases, coverage could fail with a RuntimeError: "Set changed
size during iteration." This is now fixed, closing `issue 1733`_.

.. _issue 1733: https://github.com/nedbat/coveragepy/issues/1733


.. _changes_7-4-2:

7.4.2

--------------------------

- Fix: setting ``COVERAGE_CORE=sysmon`` no longer errors on 3.11 and lower,
thanks `Hugo van Kemenade <pull 1747_>`_.  It now issues a warning that
sys.monitoring is not available and falls back to the default core instead.

.. _pull 1747: https://github.com/nedbat/coveragepy/pull/1747


.. _changes_7-4-1:

Links

• PyPI: https://pypi.org/project/coverage
• Changelog: https://data.safetycli.com/changelogs/coverage/
• Repo: https://github.com/nedbat/coveragepy