Fix codecov test results upload: replace invalid test_results_files with report_type: test_results

Co-authored-by: leeoades <2321091+leeoades@users.noreply.github.com>

Author: Copilot

.github/workflows/ci.yml

@@ -44,5 +44,6 @@ jobs:
         uses: codecov/codecov-action@v5
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
-          test_results_files: ./test-results/*.xml
+          files: ./test-results/*.xml
+          report_type: test_results
           fail_ci_if_error: false