Function getFutureXmlSchema112Timestamp

getFutureXmlSchema112Timestamp(secondsInFuture): string
Calculates a future timestamp in XML Schema 1.1.2 date-time format based on a given number of seconds.

This function takes a number of seconds and adds it to the current timestamp, returning a date-time string in the format "yyyy-MM-ddTHH:mm:ssZ" without milliseconds.
Parameters
- secondsInFuture: number
  The number of seconds to project into the future.
Returns string
The future timestamp in XML Schema 1.1.2 format.
Example
```
const futureTimestamp = getFutureXmlSchema112Timestamp(60); // "2023-08-23T12:35:56Z"
```