ci(deps): bump codecov/codecov-action from 5.0.7 to 6.0.0 (#41)

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 5.0.7 to 6.0.0.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](codecov/codecov-action@015f24e...57e3a13)

---
updated-dependencies:
- dependency-name: codecov/codecov-action
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -101,7 +101,7 @@ jobs:
 
       - name: Upload coverage to Codecov (optional)
         if: matrix.python-version == '3.13' && (github.ref == 'refs/heads/main' || github.event_name == 'pull_request')
-        uses: codecov/codecov-action@015f24e6818733317a2da2edd6290ab26238649a # v5.0.2
+        uses: codecov/codecov-action@57e3a136b779b570ffcdbf80b3bdc90e7fab3de2 # v5.0.2
         with:
           files: ./coverage.xml
           fail_ci_if_error: false