RFR: 8365515: Create release notes for JavaFX 25

[Michael Strauß]

On Fri, 15 Aug 2025 18:08:32 GMT, Kevin Rushforth <kcr at openjdk.org> wrote:

> This PR adds the release notes for the JavaFX 25 release. This will first go into master, and then be backported to the jfx25 branch so it will be available in that branch when JavaFX 25 is published (and from there also synced into the jfx25u repo).
> 
> The following filter was used to produce the list of issues fixed in JavaFX 25:
> 
> https://bugs.openjdk.org/issues/?filter=47140
> 
> Additionally, we had four issues with a `release-note=yes` label, which are included in the list of important changes, etc.

Marked as reviewed by mstrauss (Reviewer).

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PR Review: https://git.openjdk.org/jfx/pull/1871#pullrequestreview-3177559445