private void push() {
    try {
      pg.push(registry, job);
    } catch (IOException e) {
      LOGGER.error("Error pushing stats to prometheus", e);
    }
  }
Returns a new {@code PrometheusStats} that and schedules it to push to {@code destination} every {@code interval}.
planetiler-core/src/main/java/com/onthegomap/planetiler/stats/PrometheusStats.java