[jfx23u] RFR: Merge jfx:jfx23

[Kevin Rushforth]

Clean merge from `jfx:jfx23` to `master` (final sync to pick up release notes).

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Commit messages:
 - Merge remote-tracking branch 'jfx/jfx23' into merge-jfx-jfx23-to-master-2024-09-24
 - 8339247: Create release notes for JavaFX 23

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

Changes: https://git.openjdk.org/jfx23u/pull/21/files
  Stats: 145 lines in 1 file changed: 145 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jfx23u/pull/21.diff
  Fetch: git fetch https://git.openjdk.org/jfx23u.git pull/21/head:pull/21

PR: https://git.openjdk.org/jfx23u/pull/21