Interval.toLocaleString fails for Mobile Safari 14.0.3

[halmeen]

Describe the bug
Interval.toLocaleString fails for Mobile Safari 14.0.3 with the error:
TypeError: this.dtFormatter(e.start,n).dtf.formatRange is not a function. (In 'this.dtFormatter(e.start,n).dtf.formatRange(e.start.toJSDate(),e.end.toJSDate())', 'this.dtFormatter(e.start,n).dtf.formatRange' is undefined)

To Reproduce
Use Interval.toLocaleString in Mobile Safari 14.0.3
Example code:

import { DateTime, Interval } from 'luxon';

Interval.fromDateTimes(
  new Date('2023-11-10T00:00:00Z'),
  new Date('2023-11-20T00:00:00Z')
).toLocaleString(DateTime.DATE_MED_WITH_WEEKDAY);

Actual vs Expected behavior
Actual: TypeError as described above
Expected: No error

Desktop (please complete the following information):

• OS: iOS 14.4
• Browser: Safari 14.0.3
• Luxon version: 3.3.2

Additional context

[diesieben07]

This is an issue with the documentation, Interval#toLocaleString requires the browser to support Intl.DateTimeFormat#formatRange. iOS Safari only supports this starting with version 14.5.