fix: replace deprecated codecov/test-results-action with codecov-action

Use codecov/codecov-action@v5 with report_type: test_results
instead of the deprecated codecov/test-results-action@v1.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: tsvikas

project_name/.github/workflows/ci.yml.jinja

@@ -160,9 +160,10 @@ jobs:
           --junitxml=junit.xml
       - name: Upload test results to Codecov
         if: ${{ !cancelled() && steps.run_tests.conclusion != 'skipped' }}
-        uses: codecov/test-results-action@v1
+        uses: codecov/codecov-action@v5
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
+          report_type: test_results
       - name: Upload coverage reports to Codecov
         uses: codecov/codecov-action@v5
         with: