update to 2025b

git-svn-id: https://svn.r-project.org/R/trunk@88036 00db46b3-68df-0310-9c12-caf00c1e9a41

Author: ripley

src/extra/tzone/Make.zi

@@ -1,6 +1,6 @@
 ## Makefile to be run on a Unix box with zic
 
-VERSION = 2025a
+VERSION = 2025b
 TZDIR = zoneinfo
 TZTMP = tz
 TARFILE = tzdata$(VERSION).tar.gz

src/extra/tzone/Notes

@@ -25,11 +25,11 @@ R's implemntation (by default), where time_t is int_fast64_t, hence signed.)
 To remake it, download the current version of tzdataXXXXx.tar.gz from
 https://www.iana.org/time-zones to this directory and run
 
-make -f Make.zi VERSION=2054a
+make -f Make.zi VERSION=2025b
 
 for the appropriate version.  If zic is not on the path, use something like
 
-make -f Make.zi VERSION=2025a ZIC=/usr/sbin/zic
+make -f Make.zi VERSION=2025b ZIC=/usr/sbin/zic
 
 NB: it seems that this needs to be done on a system with 64-bit time_t
 or the catalogs will be confined to 1902-2038.  (Even that did not