RFR: 8342979: Start of release updates for JDK 25

[Pavel Rappo]

Prepare for JDK 25.

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

Commit messages:
 - Initial commit

Changes: https://git.openjdk.org/jdk/pull/21763/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=21763&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8342979
  Stats: 96 lines in 36 files changed: 49 ins; 3 del; 44 mod
  Patch: https://git.openjdk.org/jdk/pull/21763.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/21763/head:pull/21763

PR: https://git.openjdk.org/jdk/pull/21763