upload tests to codecov

Author: LarsKue

.github/workflows/tests.yaml

@@ -105,6 +105,12 @@ jobs:
         run: |
           coverage xml
 
+      - name: Upload test results to Codecov
+        if: ${{ !cancelled() }}
+        uses: codecov/test-results-action@v1
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+
       - name: Upload Coverage Reports to CodeCov
         uses: codecov/codecov-action@v4
         with: