ci: modernize publish workflow (Node 24, npm ci, auto-provenance)

Author: flyingrobots

.github/workflows/publish.yml

@@ -42,15 +42,14 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: '22'
+          node-version: '24'
           registry-url: 'https://registry.npmjs.org'
-          cache: 'npm'
 
       - name: Install Dependencies
-        run: npm install
+        run: npm ci
 
       - name: Publish to npm
-        run: npm publish --provenance --access public
+        run: npm publish --access public
 
       - name: Create GitHub Release
         uses: softprops/action-gh-release@v2