use latest npm

Author: JaredCE

.github/workflows/node.js.yml

@@ -26,6 +26,7 @@ jobs:
       with:
         node-version: ${{ matrix.node-version }}
         cache: 'npm'
+    - run: npm i -g npm
     - run: npm ci
     - run: npm run build --if-present
     - run: npm test