[jfx17u] RFR: 8328994: Update WebKit to 619.1

[Johan Vos]

Hi all,

This pull request contains a backport of commit 34bbf853 from the openjdk/jfx repository.

The commit being backported was authored by Hima Bindu Meda on 16 Jul 2024 and was reviewed by Kevin Rushforth and Joeri Sykora.

Thanks!

-------------

Commit messages:
 - Backport 34bbf85362fae946c6306eb52a8478aa2ca3ef5f

Changes: https://git.openjdk.org/jfx17u/pull/203/files
  Webrev: Webrev is not available because diff is too large
  Issue: https://bugs.openjdk.org/browse/JDK-8328994
  Stats: 349763 lines in 7157 files changed: 184133 ins; 107646 del; 57984 mod
  Patch: https://git.openjdk.org/jfx17u/pull/203.diff
  Fetch: git fetch https://git.openjdk.org/jfx17u.git pull/203/head:pull/203

PR: https://git.openjdk.org/jfx17u/pull/203