Update coveralls to 1.9.1

[pyup-bot]

This PR updates coveralls from 1.8.2 to 1.9.1.

Changelog

1.9.1

Compatibility

*  this release marks Python 3.8 as officially supported. Earlier versions probably
supported Python 3.8 too, but now we're *sure*.

<a name="1.9.0"></a>

1.9.0

Features

* **support:**  support Github Actions CI (207) ([817119c3](817119c3))

Bug Fixes

* **compatibility:**  fixup coverage.__version__ comparisons (208) ([03a57a9a](03a57a9a))

<a name="1.8.2"></a>

Links

• PyPI: https://pypi.org/project/coveralls
• Changelog: https://pyup.io/changelogs/coveralls/
• Repo: http://github.com/coveralls-clients/coveralls-python

[coveralls]

Coverage remained the same at 100.0% when pulling 97c9780 on pyup-update-coveralls-1.8.2-to-1.9.1 into b63e09f on master.

[pyup-bot]

Closing this in favor of #89