Update node.js.yml

Author: FengShang

.github/workflows/node.js.yml

@@ -29,3 +29,8 @@ jobs:
     - run: npm ci
     - run: npm run build --if-present
     - run: npm test
+   
+    - name: Coveralls
+      uses: coverallsapp/github-action@master
+      with:
+        github-token: ${{ secrets.GITHUB_TOKEN }}