build(deps-dev): Bump coverage from 5.5 to 6.1.1 (#106)

Bumps [coverage](https://github.com/nedbat/coveragepy) from 5.5 to 6.1.1.
- [Release notes](https://github.com/nedbat/coveragepy/releases)
- [Changelog](https://github.com/nedbat/coveragepy/blob/master/CHANGES.rst)
- [Commits](nedbat/coveragepy@coverage-5.5...6.1.1)

---
updated-dependencies:
- dependency-name: coverage
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

pyproject.toml

@@ -89,7 +89,7 @@ attrs = ">=20.2.0,<22"
 tomli = "^1.2.0"
 
 [tool.poetry.dev-dependencies]
-coverage = {extras = ["toml"], version = "^5.5"}
+coverage = {extras = ["toml"], version = "^6.1"}
 mypy = "^0.910"
 pytest = "^6.2.5"
 pytest-cov = "^2.12.1"