chore(deps): 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 3.1.5 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
  dependency-group: actions
...

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

.github/workflows/ci.yml

@@ -130,7 +130,7 @@ jobs:
         run: python -m pytest -ra --cov=vector --ignore tests/test_notebooks.py .
 
       - name: Upload coverage report
-        uses: codecov/codecov-action@v3.1.5
+        uses: codecov/codecov-action@v4.0.1
 
   discheck:
     runs-on: ubuntu-latest