poetry(deps-dev): bump coverage from 6.1.2 to 6.2

Bumps [coverage](https://github.com/nedbat/coveragepy) from 6.1.2 to 6.2.
- [Release notes](https://github.com/nedbat/coveragepy/releases)
- [Changelog](https://github.com/nedbat/coveragepy/blob/master/CHANGES.rst)
- [Commits](nedbat/coveragepy@6.1.2...6.2)

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

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

pyproject.toml

@@ -53,7 +53,7 @@ types-toml = "^0.10.1"
 
 [tool.poetry.dev-dependencies]
 tox = "^3.24.3"
-coverage = "^6.1"
+coverage = "^6.2"
 flake8 = "^3.9.2"
 pdoc3 = "^0.10.0"
 mypy = "^0.910"