ci: upgrade npm for trusted publishing (requires 11.5.1+)

Author: Edwinexd

.github/workflows/publish.yml

@@ -20,6 +20,7 @@ jobs:
           node-version: '22'
           registry-url: 'https://registry.npmjs.org'
 
+      - run: npm install -g npm@latest
       - run: npm ci
       - run: npm run build
       - run: npm publish --access public