upload coverage report to artifact

Author: jedwards4b

.github/workflows/pytest.yaml

@@ -68,7 +68,8 @@ jobs:
           #pip uninstall -y cmip7-prep || true
           #pip install .
           pytest -q --doctest-modules --cov=cmip7_prep --cov-report=xml
-      - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v4
+      - name: Upload coverage report
+        uses: actions/upload-artifact@v4
         with:
-          files: coverage.xml
+         name: coverage-xml
+         path: coverage.xml