Update coverage to 6.4.3

[pyup-bot]

This PR updates coverage from 6.4.2 to 6.4.3.

Changelog

6.4.3

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

- Fix a failure when combining data files if the file names contained
glob-like patterns (`pull 1405`_).  Thanks, Michael Krebs and Benjamin
Schubert.

- Fix a messaging failure when combining Windows data files on a different
drive than the current directory. (`pull 1430`_, fixing `issue 1428`_).
Thanks, Lorenzo Micò.

- Fix path calculations when running in the root directory, as you might do in
a Docker container: `pull 1403`_, thanks Arthur Rio.

- Filtering in the HTML report wouldn't work when reloading the index page.
This is now fixed (`pull 1413`_).  Thanks, Marc Legendre.

- Fix a problem with Cython code measurement (`pull 1347`_, fixing `issue
972`_).  Thanks, Matus Valo.

.. _issue 972: https://github.com/nedbat/coveragepy/issues/972
.. _pull 1347: https://github.com/nedbat/coveragepy/pull/1347
.. _pull 1403: https://github.com/nedbat/coveragepy/issues/1403
.. _pull 1405: https://github.com/nedbat/coveragepy/issues/1405
.. _pull 1413: https://github.com/nedbat/coveragepy/issues/1413
.. _issue 1428: https://github.com/nedbat/coveragepy/issues/1428
.. _pull 1430: https://github.com/nedbat/coveragepy/pull/1430


.. _changes_6-4-2:

Links

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