[jdk26u] RFR: 8373476: (tz) Update Timezone Data to 2025c

[Johny Jose]

tz2025c changes
Clean backport of https://git.openjdk.org/jdk/commit/5df183be6c484d8f9635fac149caf5e2079c5561

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Commit messages:
 - Backport 5df183be6c484d8f9635fac149caf5e2079c5561

Changes: https://git.openjdk.org/jdk26u/pull/10/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk26u&pr=10&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8373476
  Stats: 132 lines in 11 files changed: 67 ins; 8 del; 57 mod
  Patch: https://git.openjdk.org/jdk26u/pull/10.diff
  Fetch: git fetch https://git.openjdk.org/jdk26u.git pull/10/head:pull/10

PR: https://git.openjdk.org/jdk26u/pull/10