Update codecov execution (#575)

* Update codecov execution

Author: ponyisi

.github/workflows/ci.yaml

@@ -52,13 +52,14 @@ jobs:
 
       - name: Test with pytest
         run: |
-          coverage run -m pytest tests --cov=./servicex/ --cov-report=xml
+          coverage run --source servicex/ -m pytest tests
+          coverage xml
 
       - name: Upload coverage to Codecov
         uses: codecov/codecov-action@v5
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
-          directory: ./coverage/reports/
           env_vars: OS,PYTHON
           files: ./coverage.xml
+          disable_search: true
           flags: unittests