RFR: 8323209: Change JavaFX release version to 23

[Kevin Rushforth]

Bump the version number of JavaFX to 23. I will integrate this to master as part of forking the jfx22 stabilization branch, which is scheduled for Thursday, January 11, 2024 at 16:00 UTC.

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

Commit messages:
 - 8323209: Change JavaFX release version to 23

Changes: https://git.openjdk.org/jfx/pull/1322/files
 Webrev: https://webrevs.openjdk.org/?repo=jfx&pr=1322&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8323209
  Stats: 5 lines in 3 files changed: 0 ins; 0 del; 5 mod
  Patch: https://git.openjdk.org/jfx/pull/1322.diff
  Fetch: git fetch https://git.openjdk.org/jfx.git pull/1322/head:pull/1322

PR: https://git.openjdk.org/jfx/pull/1322