Bump the actions group with 1 update

Bumps the actions group with 1 update: [codecov/codecov-action](https://github.com/codecov/codecov-action).


Updates `codecov/codecov-action` from 3 to 4
- [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...v4)

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

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

.github/workflows/ci.yml

@@ -33,7 +33,7 @@ jobs:
           python -m pip install tox
       - name: Run Tests
         run: tox -e py
-      - uses: codecov/codecov-action@v3
+      - uses: codecov/codecov-action@v4
         if: always()
         with:
           token: ${{ secrets.CODECOV_TOKEN }}