Fix image tags on values regression

Author: filippomc

tools/deployment-cli-tools/harness-deployment

@@ -140,7 +140,7 @@ if __name__ == "__main__":
             # Overwrite the values.yaml saved in the previous step with updated image tags
             templates_path = COMPOSE if args.docker_compose else HELM_PATH
             values_path = os.path.join(args.output_path, templates_path, VALUES_MANUAL_PATH)
-            merge_to_yaml_file(helm_values, values_path)
+            merge_to_yaml_file(helm_values.to_dict() if hasattr(helm_values, 'to_dict') else helm_values, values_path)
 
         if not args.no_cd_gen and envs and not args.docker_compose:
             create_codefresh_deployment_scripts(