Bump codecov/codecov-action from 4.5.0 to 5.1.2

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 4.5.0 to 5.1.2.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](codecov/codecov-action@v4.5.0...v5.1.2)

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

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

.github/workflows/test.yml

@@ -37,7 +37,7 @@ jobs:
     - name: Test
       run: nox -N -s test-${{ matrix.python-version }} -- -v
     - name: Upload coverage report
-      uses: codecov/codecov-action@v4.5.0
+      uses: codecov/codecov-action@v5.1.2
       with:
         name: Python ${{ matrix.python-version }}
         files: ./coverage.xml