Bump codecov from 2.0.16 to 2.0.22 (#44)

Bumps [codecov](https://github.com/codecov/codecov-python) from 2.0.16 to 2.0.22.
- [Release notes](https://github.com/codecov/codecov-python/releases)
- [Changelog](https://github.com/codecov/codecov-python/blob/v2.0.22/CHANGELOG.md)
- [Commits](codecov/codecov-python@v2.0.16...v2.0.22)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Author: dependabot-preview[bot]

poetry.lock

@@ -39,7 +39,7 @@ darglint = "^1.1.2"
 xdoctest = "^0.11.0"
 sphinx = "^2.3.1"
 sphinx-autodoc-typehints = "^1.10.3"
-codecov = "^2.0.15"
+codecov = "^2.0.22"
 
 [tool.poetry.scripts]
 hypermodern-python = "hypermodern_python.console:main"