Update flow 4

Author: kdafriend

.github/workflows/build.yml

@@ -186,4 +186,11 @@ jobs:
           pattern: release-arch-*
           merge-multiple: true
 
-      - run: ls -R my-artifact
+      - run: ls -R artifacts
+
+      - name: Upload artifact
+        uses: actions/upload-artifact@v6
+        with:
+          name: releases
+          retention-days: 30
+          path: artifacts/*.tar.gz