RFR: 8347598: Change JavaFX release version to 25

[Andy Goryachev]

On Mon, 13 Jan 2025 16:25:06 GMT, Kevin Rushforth <kcr at openjdk.org> wrote:

> Bump the version number of JavaFX to 25. I will integrate this to master as part of forking the jfx24 stabilization branch, which is scheduled for Thursday, January 16, 2025 at 16:00 UTC.

`javadoc.title` and `javadoc.header` now follow the `@JAVADOC_VERSION@` variable, nice.

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Marked as reviewed by angorya (Reviewer).

PR Review: https://git.openjdk.org/jfx/pull/1673#pullrequestreview-2547193580