chore(deps): update actions/upload-pages-artifact action to v4 (#1576)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/website.yml

@@ -41,7 +41,7 @@ jobs:
       - name: Setup Pages
         uses: actions/configure-pages@v5
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v3
+        uses: actions/upload-pages-artifact@v4
         with:
           path: './docs'
       - name: Deploy to GitHub Pages