RFR: 8278980: Update WebKit to 613.1

[Ambarish Rapte]

On Wed, 2 Feb 2022 13:42:53 GMT, yosbits <duke at openjdk.java.net> wrote:

> 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.

Thanks for pointing it out. It is corrected now. 
Thanks @kevinrushforth for quick fix.

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