Update GitHub Actions workflow to use version 3 of the upload-pages-artifact action (#14)

Co-authored-by: pixelead0 <[email protected]>

Author: pixelead0

.github/workflows/deploy.yml

@@ -37,7 +37,7 @@ jobs:
         uses: actions/configure-pages@v4
 
       - name: Upload to GitHub Pages
-        uses: actions/upload-pages-artifact@v4
+        uses: actions/upload-pages-artifact@v3
         with:
           path: site/