Update time zone data files to tzdata release 2025b.

Tom Lane <tgl@sss.pgh.pa.us>

Commit: 368c3fbf9da96787d4e7cae61e11518d72f75071
Author: Tom Lane <tgl@sss.pgh.pa.us>
Date: 2025-04-30T15:13:49Z
Releases: 18.0
Update time zone data files to tzdata release 2025b.

DST law changes in Chile: there is a new time zone America/Coyhaique
for Chile's Aysén Region, to account for it changing to UTC-03
year-round and thus diverging from America/Santiago.

Historical corrections for Iran.

Backpatch-through: 13

Files

PathChange+/−
src/timezone/data/tzdata.zi modified +16 −2