[jfx25u] Integrated: Merge jfx:jfx25

[Kevin Rushforth]

Clean merge of `jfx:jfx25` into `jfx25u:master`.

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

Commit messages:
 - Merge remote-tracking branch 'jfx/jfx25' into merge-jfx-jfx25-to-master-2025-07-29
 - 8304008: Update README.md and CONTRIBUTING.md for jfx update repos
 - 8362896: Change JavaFX release version to 25.0.1 in jfx25u

The merge commit only contains trivial merges, so no merge-specific webrevs have been generated.

Changes: https://git.openjdk.org/jfx25u/pull/3/files
  Stats: 271 lines in 4 files changed: 1 ins; 256 del; 14 mod
  Patch: https://git.openjdk.org/jfx25u/pull/3.diff
  Fetch: git fetch https://git.openjdk.org/jfx25u.git pull/3/head:pull/3

PR: https://git.openjdk.org/jfx25u/pull/3