Update coveralls to 2.1.0

[pyup-bot]

This PR updates coveralls from 2.0.0 to 2.1.0.

Changelog

2.1.0

Features

* **cli**:  add new `--finish` flag for finalizing parallel builds (277) ([f597109b](f597109b))

Bug Fixes

* **github:**  fix Github Actions support (227) ([f597109b](f597109b))

<a name="2.0.0"></a>

Links

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

[coveralls]

Pull Request Test Coverage Report for Build 765

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 0.0%

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Totals
Change from base Build 759:	0.0%
Covered Lines:	0
Relevant Lines:	0

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💛 - Coveralls

[pyup-bot]

Closing this in favor of #171