RFR: 8355752: Bump minimum boot jdk to JDK 25 [v2]

[Mikael Vidstedt]

> With the JDK 25 GA out it's time to bump the minimum boot JDK version for mainline/JDK 25.
> 
> Testing: tier1-5, GHA

Mikael Vidstedt has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains two additional commits since the last revision:

 - Merge branch 'master' into 8355752-bootjdk25
 - 8355752: Bump minimum boot jdk to JDK 25

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/27638/files
  - new: https://git.openjdk.org/jdk/pull/27638/files/5e4860f0..5c857a63

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=27638&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=27638&range=00-01

  Stats: 28314 lines in 675 files changed: 18511 ins; 7771 del; 2032 mod
  Patch: https://git.openjdk.org/jdk/pull/27638.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/27638/head:pull/27638

PR: https://git.openjdk.org/jdk/pull/27638