[jdk11u-dev] RFR: 8347965: (tz) Update Timezone Data to 2025a

[Michael De Vera]

Clean backport of https://bugs.openjdk.org/browse/JDK-8347965 to update Timezone data to 2025a.

Passed tier1 tests and other related tests shown below:


==============================
Test summary
==============================
   TEST                                              TOTAL  PASS  FAIL ERROR   
   jtreg:test/jdk/java/util/TimeZone                    25    25     0     0   
   jtreg:test/jdk/java/time/test                        74    74     0     0   
   jtreg:test/jdk/sun/util/resources                    21    21     0     0   
   jtreg:test/jdk/sun/text/resources                    17    17     0     0   
   jtreg:test/jdk/sun/util/calendar                      5     5     0     0   
==============================
TEST SUCCESS

-------------

Commit messages:
 - Backport caa3c78f7837b1f561740184bd8f9cb671c467eb

Changes: https://git.openjdk.org/jdk11u-dev/pull/2999/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=2999&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8347965
  Stats: 249 lines in 12 files changed: 150 ins; 53 del; 46 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/2999.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev.git pull/2999/head:pull/2999

PR: https://git.openjdk.org/jdk11u-dev/pull/2999