Use v4 artifact download

Author: arik-so

.github/workflows/release-framework.yml

@@ -58,7 +58,7 @@ jobs:
         needs: [ generate-xcframework ]
         steps:
             -   name: Download Framework Artifact
-                uses: actions/download-artifact@v3
+                uses: actions/download-artifact@v4
                 with:
                     name: LightningDevKit
             -   name: Create Release