test: change unit test to Codecov

Author: frankzhaopeng

.github/workflows/node.js.yml

@@ -30,7 +30,5 @@ jobs:
     - run: npm run build --if-present
     - run: npm run test:cov
 
-    - name: Coveralls
-      uses: coverallsapp/github-action@master
-      with:
-        github-token: ${{ secrets.GITHUB_TOKEN }}
+    - name: Upload coverage reports to Codecov
+      uses: codecov/codecov-action@v3