public static Level of(String level) {
            return switch (level) {
                case "error" -> error;
                case "warning" -> warning;
                case "info" -> info;
                case "debug" -> debug;
                default -> debug;
            };
        }
Returns this log updated with the content of the other.
hosted-api/src/main/java/ai/vespa/hosted/api/DeploymentLog.java