[jfx18] RFR: 8290426: Create release notes for 18.0.2 [v2]

[Kevin Rushforth]

On Tue, 19 Jul 2022 19:00:01 GMT, Abhinay Agarwal <duke at openjdk.org> wrote:

>> Add release notes for JavaFX 18.0.2 to the repository
>
> Abhinay Agarwal has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Add list of security fixes

Marked as reviewed by kcr (Lead).

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PR: https://git.openjdk.org/jfx/pull/838