Update TypeScript model with list of time zones

[richfab]

Follow-up of #146

Context

The time zones in the schemas were replaced with the content of the TZ identifier column from this list.

Problem

The TypeScript models are inconsistent with the spec because they use the previous list of time zones.

Solution

Update the TypeScript models with the list of time zones from the schemas.

[emmambd]

Closed with #152