core/com.tealium.prism.core.api.misc/DateUtils/iso8601Utc iso8601Utc @RequiresApi(value = 26)open override fun iso8601Utc(instant: Instant): Stringopen override fun iso8601Utc(date: Date): StringReturns an ISO-8601 date format using UTC as the time zonee.g. '2011-12-03T10:15:30Z'