Update JavaFX to 23

[koppor]

https://github.com/openjdk/jfx/blob/master/doc-files/release-notes-23.md

Not on Maven Central yet. Maybe tomorrow?

Mandatory checks

• Change in CHANGELOG.md described in a way that is understandable for the average user (if applicable)
• Tests created for changes (if applicable)
• Manually tested changed features in running JabRef (always required)
• Screenshots added in PR description (for UI changes)
• Checked developer's documentation: Is the information available and up to date? If not, I outlined it in this pull request.
• Checked documentation: Is the information available and up to date? If not, I created an issue at https://github.com/JabRef/user-documentation/issues or, even better, I submitted a pull request to the documentation repository.

[koppor]

Blocked by https://central.sonatype.com/artifact/org.openjfx/javafx/versions not having JavaFX 23

[Siedlerchr]

Will probably take a couple of more days, official jdk release is scheduled for 17th https://jdk.java.net/23/ so javafx will probably be released at the same time

[github-actions]

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