Bump coverage from 5.0.4 to 5.3 (#106)
Bump coverage from 5.0.4 to 5.3 (#106)

Bumps [coverage](https://github.com/nedbat/coveragepy) from 5.0.4 to 5.3.
- [Release notes](https://github.com/nedbat/coveragepy/releases)
- [Changelog](https://github.com/nedbat/coveragepy/blob/master/CHANGES.rst)
- [Commits](https://github.com/nedbat/coveragepy/compare/coverage-5.0.4...coverage-5.3)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Co-authored-by: dependabot-preview[bot] <6a4c1c4838f800d1998274cd5234e1f65c55e90c@users.noreply.github.com>
TwilioDevEd/airtng-flask,TwilioDevEd/airtng-flask,TwilioDevEd/airtng-flask