Bump pytest-cov from 3.0.0 to 4.0.0

Bumps [pytest-cov](https://github.com/pytest-dev/pytest-cov) from 3.0.0 to 4.0.0.
- [Release notes](https://github.com/pytest-dev/pytest-cov/releases)
- [Changelog](https://github.com/pytest-dev/pytest-cov/blob/master/CHANGELOG.rst)
- [Commits](pytest-dev/pytest-cov@v3.0.0...v4.0.0)

---
updated-dependencies:
- dependency-name: pytest-cov
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

requirements.txt

@@ -44,7 +44,7 @@ pydantic==1.10.2
 pygments==2.13.0
 pyparsing==3.0.9
 pytest==7.1.3
-pytest-cov==3.0.0
+pytest-cov==4.0.0
 pytz==2022.2.1
 pyyaml==6.0
 pymongo==4.2.0