Update ci.yml

.github/workflows/ci.yml

@@ -41,4 +41,15 @@ jobs:
     - name: Upload coverage data on codecov
       run: |
         python -m codecov
-        
+    - name: Upload coverage to Codecov
+      uses: codecov/codecov-action@v1
+      with:
+        file: ./coverage.xml
+        files: ./coverage1.xml,./coverage2.xml
+        directory: ./coverage/reports/
+        flags: unittests
+        env_vars: OS,PYTHON
+        name: codecov-umbrella
+        fail_ci_if_error: true
+        path_to_write_report: ./coverage/codecov_report.txt
+        verbose: true