build(deps): bump codecov/codecov-action from 3.1.6 to 4.3.0

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 3.1.6 to 4.3.0.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](codecov/codecov-action@ab904c4...8450866)

---
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>

.github/workflows/python-ci.yml

@@ -75,7 +75,7 @@ jobs:
           path: report.html
 
       - name: Upload coverage to codecov
-        uses: codecov/codecov-action@ab904c41d6ece82784817410c45d8b8c02684457
+        uses: codecov/codecov-action@84508663e988701840491b86de86b666e8a86bed
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           env_vars: OS,PYTHON