RFR: 8340322: Update WebKit to 620.1

[Ambarish Rapte]

On Mon, 10 Feb 2025 15:27:49 GMT, Jay Bhaskar <jbhaskar at openjdk.org> wrote:

> Webkit JavaFx upgrade from 619.1 to 620.1 <br>
> Build is verified in mac , windows and linux. Sanity testing looks fine. No issues seen, except one observed CanvasPattern test where it works only on Linux but failed on Mac/Windows (WIP).
> Windows build is using clang-cl compiler because Webkit has dropped MSVC compiler support.

Verified the build and sanity testing on mac and windows. LGTM.

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Marked as reviewed by arapte (Reviewer).

PR Review: https://git.openjdk.org/jfx/pull/1703#pullrequestreview-2611235150