no upload action results

Author: bertmelis

.github/workflows/test_platformio.yml

@@ -20,8 +20,4 @@ jobs:
           sudo apt-get install lcov
       - name: Test
         run: |
-          pio test -e native -v
-      - uses: actions/upload-artifact@v3
-        with:
-          name: codecov
-          path: cov/
+          pio test -e native -v