Bump codecov/codecov-action from 4.3.0 to 4.3.1

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 4.3.0 to 4.3.1.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](codecov/codecov-action@v4.3.0...v4.3.1)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/tests.yml

@@ -37,7 +37,7 @@ jobs:
         python-version: ${{ matrix.python-version }}
         command: pytest -n 1 --cov-report=xml:coverage-xdist.xml
     - name: Upload coverage to Codecov
-      uses: codecov/[email protected].0
+      uses: codecov/[email protected].1
       with:
         flags: linux
         env_vars: OS, PYTHON