chore(deps):(deps): bump codecov/codecov-action from 5 to 6 (#34)

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

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -32,7 +32,7 @@ jobs:
       run: uv run pytest --cov-report term --cov-report xml --cov pystructs tests
 
     - name: Upload coverage to Codecov
-      uses: codecov/codecov-action@v5
+      uses: codecov/codecov-action@v6
       with:
         fail_ci_if_error: false
         token: ${{ secrets.CODECOV_TOKEN }}