Parsing date from format hh gives valid true even if the hour is greater than 12

Describe the bug
Parsing time from string based on a hh:mm a format gives valid true even if the hour is greater than 12

To Reproduce

import { DateTime } from "luxon";

const date = DateTime.fromFormat('13:00 AM', 'hh:mm a', {});
console.log(date);
console.log(date.isValid);

Actual vs Expected behavior
It should give invalid since the definition of hh is 12 hours clock

Desktop (please complete the following information):

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