Update external timezone information

Summary:
Update the list of timezones from 2016 by pulling from CLDR upstream (revision 57c1f4c from 2024-01-11) located at https://github.com/unicode-org/cldr/blob/main/common/supplemental/windowsZones.xml

Closes T15727

Test Plan:

• As an admin, go to http://phorge.localhost/config/edit/phabricator.timezone/ and change the default value.
• As a user, go to http://phorge.localhost/settings/panel/datetime/ and change the value in the Timezone dropdown.

Reviewers: O1 Blessed Committers, avivey

Reviewed By: O1 Blessed Committers, avivey

Subscribers: tobiaswiese, valerio.bozzolan, Matthew, Cigaryno

Maniphest Tasks: T15727

Differential Revision: https://we.phorge.it/D25529