bump gh-action "download-artifact" to v4

Author: zhakk-harn

.github/workflows/deploy.yml

@@ -37,7 +37,7 @@ jobs:
 
     steps:
       - name: Download artifact
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: production-files
           path: ./dist