Function toUtcIsoString

toUtcIsoString(
    fullDate: {
        day: DayOfMonth;
        hour: Hour;
        millisecond: number;
        minute: Minute;
        month: MonthNumber;
        second: Minute;
        timezone: string;
        year: number;
    },
): `${number}-${number}-${number}T${number}:${number}:${number}.${number}Z`
Convert a FullDate into a UTC ISO string, always ending in Z.
Parameters
- fullDate: {
      day: DayOfMonth;
      hour: Hour;
      millisecond: number;
      minute: Minute;
      month: MonthNumber;
      second: Minute;
      timezone: string;
      year: number;
  }
  - day: DayOfMonth
    A day of the month: 1-31 depending on the month
  - hour: Hour
    Hour of the day in 24 time: 0-23
  - millisecond: number
    Millisecond of the second: 0-999
  - minute: Minute
    Minute of the hour: 0-59
  - month: MonthNumber
    A month of the year: 1-12
  - second: Minute
  - timezone: string
  - year: number
    The full, four digit year.
    
    Example
    2023;
Returns `${number}-${number}-${number}T${number}:${number}:${number}.${number}Z`
Example
```
import {toUtcIsoString} from 'date-vir';

const exampleDate: FullDate = {
    year: 2024,
    month: 1,
    day: 5,
    hour: 1,
    minute: 1,
    second: 1,
    millisecond: 1,
    timezone: 'UTC',
};

toUtcIsoString(exampleDate); // `'2024-01-05T01:01:01.001Z'`
```
- Defined in date-vir/src/formatting/timestamp.ts:57