split by arch

scripts/release/build/image_build_process.py

@@ -131,7 +131,7 @@ def execute_docker_build(
  arch = platform.split('/')[-1]
  platform_cache = f"{cache_registry}:{arch}"
  cache_from_sources.append(f"type=registry,ref={platform_cache}")
- cache_to_sources = [f"type=registry,ref={cache_registry}:{arch},mode=max,oci-mediatypes=true,image-manifest=true"]
+ cache_to_sources.append(f"type=registry,ref={cache_registry}:{arch},mode=max,oci-mediatypes=true,image-manifest=true")
 
  cache_repo_name = f"dev/cache/{cache_image_name}"
  ensure_ecr_cache_repository(cache_repo_name)