Bump pytest-cov from 4.0.0 to 4.1.0

Bumps [pytest-cov](https://github.com/pytest-dev/pytest-cov) from 4.0.0 to 4.1.0.
- [Changelog](https://github.com/pytest-dev/pytest-cov/blob/master/CHANGELOG.rst)
- [Commits](pytest-dev/pytest-cov@v4.0.0...v4.1.0)

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

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

requirements/testing.txt

@@ -3,6 +3,6 @@
 coverage==6.5.0
 pytest-django==4.5.2
 pytest-xdist==3.3.1
-pytest-cov==4.0.0
+pytest-cov==4.1.0
 pytest-order==1.0.1
 requests_mock==1.11.0