Update pytest-html to 1.19.0

[pyup-bot]

This PR updates pytest-html from 1.18.0 to 1.19.0.

Changelog

1.19.0

* Allow collapsed outcomes to be configured by using a query parameter

* Thanks to `Formartha <https://github.com/Formartha>`_ for suggesting this
 enhancement and to `jacebrowning <https://github.com/jacebrowning>`_ for
 providing a patch

Links

• PyPI: https://pypi.org/project/pytest-html
• Changelog: https://pyup.io/changelogs/pytest-html/
• Repo: https://github.com/pytest-dev/pytest-html

[stephendonner]

LGTM and https://qa-preprod-master.fxtest.jenkins.stage.mozaws.net/job/axe-selenium-python.adhoc/73/console

r+