message: Fix regression types
diff: /* eslint-disable no-restricted-imports */
  import moment from 'moment';
  -import regression from 'regression';
  +import regression, { DataPoint } from 'regression';
  import {
  Alert,
  ChangeStatistic,
  @@ -63,7 +63,10 @@ function aggregationFor(
  }
  function trendlineOf(aggregation: DateAggregation[]): Trendline {
  - const data = [...aggregation.map(a => [Date.parse(a.date) / 1000, a.amount])];
  + const data: ReadonlyArray<DataPoint> = aggregation.map(a => [
  + Date.parse(a.date) / 1000,
  + a.amount,
  + ]);
  const result = regression.linear(data, { precision: 5 });
  return {
  slope: result.equation[0],
  