Update publish.yml

Author: pancetta

.github/workflows/publish.yml

@@ -25,6 +25,13 @@ jobs:
         uses: limjh16/jekyll-action-ts@v2
         with:
           enable_cache: true
+          
+      - name: Uploading artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: website sources
+          path: |
+            _site
 
       - name: 🚀 deploy
         uses: peaceiris/actions-gh-pages@v4