chore: unset NODE_AUTH_TOKEN so npm@11 uses OIDC for auth

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: fan-zhang-sv

.github/workflows/version.yml

@@ -31,6 +31,10 @@ jobs:
 
       - name: Publish with provenance
         run: npx -y npm@11 publish --access public --provenance
+        env:
+          NODE_AUTH_TOKEN: ''
 
       - name: Deprecate
         run: npx -y npm@11 deprecate base-mcp "This package has been deprecated. See https://docs.base.org/ai-agents for the new Base AI Agents docs."
+        env:
+          NODE_AUTH_TOKEN: ''