Update node.js.yml

Author: Fortinbra

.github/workflows/node.js.yml

@@ -30,3 +30,7 @@ jobs:
     - run: npm ci
     - run: npm run build --if-present
 #    - run: npm test
+    - name: Upload a Build Artifact
+      uses: actions/upload-artifact@v3.1.0
+      with:
+        path: build