v6 method
Generates a draft time-based version 6 UUID
By default it will generate a string based off current Gregorian epoch time in milliseconds, and will return a string.
The first argument is a V6Options
object that takes the same options as
the options map.
https://datatracker.ietf.org/doc/html/draft-ietf-uuidrev-rfc4122bis#name-uuid-version-6
Implementation
String v6({V6Options? config}) {
return UuidV6(goptions: goptions).generate(options: config);
}