update v4

Author: feralvam

.github/workflows/publish.yaml

@@ -52,7 +52,7 @@ jobs:
           echo "Hugo Cache Dir: $(hugo config | grep cachedir)"
           hugo --minify --baseURL "${{ steps.pages.outputs.base_url }}/"
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v2
+        uses: actions/upload-pages-artifact@v4
         with:
           path: ./public