fix: remove registry-url from setup-node to fix OIDC auth

setup-node with registry-url creates .npmrc with empty NODE_AUTH_TOKEN
which conflicts with npm Trusted Publisher OIDC authentication.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: klocus

.github/workflows/publish.yml

@@ -34,7 +34,6 @@ jobs:
         with:
           node-version: '18'
           cache: 'npm'
-          registry-url: 'https://registry.npmjs.org'
 
       - name: Install dependencies
         run: npm ci