RFR: 8278980: Update WebKit to 613.1

Wed Feb 2 13:46:09 UTC 2022

On Wed, 2 Feb 2022 07:34:55 GMT, Ambarish Rapte <arapte at openjdk.org> wrote:

> Update JavaFX WebKit to GTK WebKit 2.34 (613.1).
> 
> Verified the updated version build, tests run and sanity testing.
> This does not cause any issues except a unit test failure `IrresponsiveScriptTest`.
> It is recorded and ignored using [JDK-8280421](https://bugs.openjdk.java.net/browse/JDK-8280421)

You may have noticed ...
The change file contains changes that are not related to the WebKit upgrade. 
It looks like you're reverting to an older version.

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PR: https://git.openjdk.java.net/jfx/pull/723