fix workflow CI npm

Author: Steven Peh

.github/workflows/node.js.yml

@@ -27,4 +27,4 @@ jobs:
         node-version: ${{ matrix.node-version }}
         cache: 'npm'
     - run: npm ci
-    - run: cd mcp-openapi && npm run build && npm run test
+    - run: cd mcp-openapi && npm install && npm run build && npm run test