chore(deps): update actions/upload-pages-artifact action to v4 (#14)

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

Author: renovate[bot]

.github/workflows/deploy-docusaurus.yml

@@ -49,7 +49,7 @@ jobs:
               uses: actions/configure-pages@v5
 
             - name: Upload artifact
-              uses: actions/upload-pages-artifact@v3
+              uses: actions/upload-pages-artifact@v4
               with:
                   path: './website/build'