Function getCurrentXmlSchema112Timestamp

getCurrentXmlSchema112Timestamp(): string
Retrieves the current timestamp in XML Schema 1.1.2 date-time format.

This function omits the milliseconds part from the ISO 8601 timestamp, returning a date-time string in the format "yyyy-MM-ddTHH:mm:ssZ".

Returns string
The current timestamp in XML Schema 1.1.2 format.
Example
```
const currentTimestamp = getCurrentXmlSchema112Timestamp(); // "2023-08-23T12:34:56Z"
```