Update timezone data to IANA 2026f.
Extends Cuba DST to 2027 as noted by IANA announcement.
For testing:
make images CONF=tzdata2026f JOBS=4
make run-test CONF=tzdata2026f JOBS=4 JTREG=JOBS=4 \
TEST="jdk/java/util/TimeZone \
jdk/java/time/test \
jdk/sun/util/resources \
jdk/sun/text/resources \
jdk/sun/util/calendar \
jdk/java/text/Format/DateFormat"
==============================
Test summary
==============================
TEST TOTAL PASS FAIL ERROR
SKIP
jtreg:test/jdk/java/util/TimeZone 28 25 0 0
3
jtreg:test/jdk/java/time/test 80 80 0 0
0
jtreg:test/jdk/sun/util/resources 23 23 0 0
0
jtreg:test/jdk/sun/text/resources 19 19 0 0
0
jtreg:test/jdk/sun/util/calendar 4 4 0 0
0
jtreg:test/jdk/java/text/Format/DateFormat 48 48 0 0
0
==============================
TEST SUCCESS
All 199 selected test files passed.
---------
- [x] I confirm that I make this contribution in accordance with the [OpenJDK
Interim AI Policy](https://openjdk.org/legal/ai).
-------------
Commit messages:
- 8396048: (tz) Update to tzdata2026f
Changes: https://git.openjdk.org/jdk/pull/33612/files
Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=33612&range=00
Issue: https://bugs.openjdk.org/browse/JDK-8396048
Stats: 98 lines in 5 files changed: 50 ins; 10 del; 38 mod
Patch: https://git.openjdk.org/jdk/pull/33612.diff
Fetch: git fetch https://git.openjdk.org/jdk.git pull/33612/head:pull/33612
PR: https://git.openjdk.org/jdk/pull/33612
