Converter: Workflow Datetime to ISO-Datetime-String

Converts Datetime type data (“2021-12-31 20:34” JST) into ISO 8601 datetime string data (“2021-12-31T20:34:00+09:00” or “2021-12-31T11:34:00Z”). As a general rule Datetime type data is regarded as the time of the Workflow Platform time zone.