RFR: 8306115 : Update libxml2 to 2.10.4

[Joeri Sykora]

On Fri, 21 Apr 2023 10:34:49 GMT, Hima Bindu Meda <hmeda at openjdk.org> wrote:

> Updated libxml to v2.10.4.Configured and verified on all Windows, Linux and Mac.
> Sanity testing looks fine.

Builds and tests completed without issues.

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

Marked as reviewed by sykora (Author).

PR Review: https://git.openjdk.org/jfx/pull/1108#pullrequestreview-1399391429