updated download-artifact version

Author: brianlagunas

.github/workflows/ci.yml

@@ -122,7 +122,7 @@ jobs:
           path: artifacts\Wpf
 
       - name: Download Avalonia
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: Avalonia
           path: artifacts\Avalonia