Use npm version compatible with node 18

Author: abewheel

.github/workflows/publish.yml

@@ -22,8 +22,6 @@ jobs:
           node-version: '18'
           registry-url: 'https://registry.npmjs.org'
 
-      - name: Update npm
-        run: npm install -g npm@latest
       - run: npm ci
       - run: npm run lint
       - run: npm run build