RFR: 8355746: Start of release updates for JDK 26 [v4]

[Nizar Benalla]

> Get JDK 26 underway.

Nizar Benalla has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 14 commits:

 - Update --release 25 symbol information for JDK 25 build 24
   The macOS/AArch64 build 24 was taken from https://jdk.java.net/25/
 - Merge branch 'master' into jdk.8355746
 - problem list some failing tests
 - Merge branch 'master' into jdk.8355746
 - Merge branch 'master' into jdk.8355746
 - Update --release 25 symbol information for JDK 25 build 23
   The macOS/AArch64 build 23 was taken from https://jdk.java.net/25/
 - Merge branch 'master' into jdk.8355746
 - Update release date
 - Update --release 25 symbol information for JDK 25 build 21
   The macOS/AArch64 build 21 was taken from https://jdk.java.net/25/
 - Merge branch 'master' into jdk.8355746
   
   # Conflicts:
   #	test/langtools/tools/javac/versions/Versions.java
 - ... and 4 more: https://git.openjdk.org/jdk/compare/bd095896...b79e5022

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Changes: https://git.openjdk.org/jdk/pull/25008/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=25008&range=03
  Stats: 1823 lines in 58 files changed: 1734 ins; 16 del; 73 mod
  Patch: https://git.openjdk.org/jdk/pull/25008.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/25008/head:pull/25008

PR: https://git.openjdk.org/jdk/pull/25008