chore: enhance NPM publishing workflow with npm upgrade step

Author: vace

.github/workflows/publish.yml

@@ -23,6 +23,11 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: 20
+          registry-url: 'https://registry.npmjs.org'
+      # Ensure npm 11.5.1 or later is installed
+      - name: Upgrade npm
+        run: npm install -g npm@latest
+
       - name: Setup pnpm
         uses: pnpm/action-setup@v2
         with: