build(deps-dev): bump pytest-cov from 3.0.0 to 4.0.0 in /Runtime/safe-ds

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:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

Runtime/safe-ds/poetry.lock

@@ -10,7 +10,7 @@ python = "^3.10"
 
 [tool.poetry.dev-dependencies]
 pytest = "^7.1.3"
-pytest-cov = "^3.0.0"
+pytest-cov = "^4.0.0"
 
 [tool.mypy]
 ignore_missing_imports = true