Bump codecov/codecov-action from 3.1.5 to 4.0.1 (#115)

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 3.1.5 to 4.0.1.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](codecov/codecov-action@v3.1.5...v4.0.1)

---
updated-dependencies:
- dependency-name: codecov/codecov-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/pytest.yml

@@ -53,4 +53,4 @@ jobs:
         run: coverage xml
 
       - name: codecov.io
-        uses: codecov/codecov-action@v3.1.5
+        uses: codecov/codecov-action@v4.0.1