[jfx18] Integrated: 8286256: Update libxml2 to 2.9.14

[Johan Vos]

On Sat, 16 Jul 2022 18:48:55 GMT, Johan Vos <jvos at openjdk.org> wrote:

> Clean backport of JDK-8286256

This pull request has now been integrated.

Changeset: fc2983b6
Author:    Johan Vos <jvos at openjdk.org>
URL:       https://git.openjdk.org/jfx/commit/fc2983b62b640be9bbdd3f52b2234456a661e6d2
Stats:     21664 lines in 81 files changed: 4429 ins; 4294 del; 12941 mod

8286256: Update libxml2 to 2.9.14
8286257: Update libxslt to 1.1.35

Backport-of: d6770034a66a294b8740875c28871f2b4677aef2

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

PR: https://git.openjdk.org/jfx/pull/834