Fix GitHub Actions workflow by updating deprecated actions

- Update actions/upload-pages-artifact from v2 to v3
- Update actions/deploy-pages from v3 to v4
- Fixes deployment failure due to deprecated artifact actions

🤖 Generated with [Claude Code](https://claude.ai/code)

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

Author: guralbrian

.github/workflows/hugo.yml

@@ -51,7 +51,7 @@ jobs:
             --baseURL "${{ steps.pages.outputs.base_url }}/"
 
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v2
+        uses: actions/upload-pages-artifact@v3
         with:
           path: ./public
 
@@ -65,4 +65,4 @@ jobs:
     steps:
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v3
+        uses: actions/deploy-pages@v4