RFR: 8356982: Update WebKit to 622.1 [v2]

[Kevin Rushforth]

On Mon, 11 Aug 2025 14:57:00 GMT, Hima Bindu Meda <hmeda at openjdk.org> wrote:

>> This PR updates Webkit to v622.1. Verified sanity and build on Mac, Linux and windows platforms. No issue seen.
>
> Hima Bindu Meda has updated the pull request incrementally with one additional commit since the last revision:
> 
>   additional fixes for webkit

LGTM with the additional explanation.

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Marked as reviewed by kcr (Lead).

PR Review: https://git.openjdk.org/jfx/pull/1865#pullrequestreview-3110087327