ci: fix Trusted Publisher workflow — use Node 22, latest npm, no registry-url

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: giacomo-cc

.github/workflows/publish.yml

@@ -16,7 +16,10 @@ jobs:
 
       - uses: actions/setup-node@v4
         with:
-          node-version: '20'
+          node-version: '22'
+
+      - name: Update npm to support Trusted Publisher
+        run: npm install -g npm@latest
 
       - name: Install dependencies
         run: npm ci
@@ -26,5 +29,5 @@ jobs:
         working-directory: packages/sdk
 
       - name: Publish
-        run: npm publish --access public --provenance
+        run: npm publish --access public
         working-directory: packages/sdk