Fix GitHub Pages deployment by specifying TypeScript config file path

Co-authored-by: mbianchidev <[email protected]>

Author: Copilot

.github/workflows/deploy.yml

@@ -32,6 +32,7 @@ jobs:
         uses: actions/configure-pages@v4
         with:
           static_site_generator: next
+          generator_config_file: ./next.config.ts
 
       - name: Install dependencies
         run: npm ci