Update codecov.yml

.github/workflows/codecov.yml

@@ -13,14 +13,14 @@ jobs:
         with:
           fetch-depth: 0
 
-      - name: Set up Node
-        uses: actions/setup-node@v4
+      - name: Set up Python
+        uses: actions/setup-python@v4
 
-      - name: Install dependencies
-        run: npm install
+      - name: Install test dependencies
+        run: pip install pytest pytest-cov
 
       - name: Run tests
-        run: npx jest --coverage
+        run: pytest --cov --cov-report=xml
 
       - name: Upload results to Codecov
         uses: codecov/codecov-action@v4