[jfx21u] RFR: 8356982: Update WebKit to 622.1

[Jose Pereda]

On Fri, 5 Sep 2025 20:00:14 GMT, Johan Vos <jvos at openjdk.org> wrote:

> Hi all,
> 
> This pull request contains a backport of commit [4a8f3abc](https://github.com/openjdk/jfx/commit/4a8f3abc8ee665d1702df8d0bd63e9f663207ff1) from the [openjdk/jfx](https://git.openjdk.org/jfx) repository.
> 
> The commit being backported was authored by Hima Bindu Meda on 13 Aug 2025 and was reviewed by Joeri Sykora and Kevin Rushforth.
> 
> Thanks!

Marked as reviewed by jpereda (Reviewer).

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PR Review: https://git.openjdk.org/jfx21u/pull/102#pullrequestreview-3190674476