git: openjdk/jfx11u: master: 8283869: Update attribution in webkit.md file

[Kevin Rushforth]

Changeset: f89a5139
Author:    Kevin Rushforth <kcr at openjdk.org>
Date:      2022-05-24 17:41:26 +0000
URL:       https://git.openjdk.java.net/jfx11u/commit/f89a513980c2c2637c4f3d2b80f0708fd6f9e252

8283869: Update attribution in webkit.md file

Backport-of: 7bb4819409dd617ba2e3658ee66f23b94dc0bec1

! modules/javafx.web/src/main/legal/webkit.md