Fix deploy workflow - remove npm cache dependency

The package-lock.json doesn't exist, causing cache errors.
Removing cache config - it's optional and workflow will still work.

Author: cursoragent

.github/workflows/deploy-pages.yml

@@ -25,8 +25,6 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: '20'
-          cache: 'npm'
-          cache-dependency-path: docs/package-lock.json
 
       - name: Setup Pages
         uses: actions/configure-pages@v4