Bump coveralls from 2.1.1 to 2.1.2

Bumps [coveralls](https://github.com/coveralls-clients/coveralls-python) from 2.1.1 to 2.1.2.
- [Release notes](https://github.com/coveralls-clients/coveralls-python/releases)
- [Changelog](https://github.com/coveralls-clients/coveralls-python/blob/master/CHANGELOG.md)
- [Commits](TheKevJames/coveralls-python@2.1.1...2.1.2)

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

Author: dependabot[bot]

poetry.lock

@@ -13,7 +13,7 @@ python = "^3.6"
 requests = "2.*"
 
 [tool.poetry.dev-dependencies]
-coveralls = "^2.1.1"
+coveralls = "^2.1.2"
 isort = "^5.4"
 flake8 = "^3.8.3"
 black = { version = "==19.10b0", allow-prereleases = true }