[jfx21u] RFR: 8361893: Update libxml2 to 2.14.5

Wed Nov 19 16:05:42 UTC 2025

Hi all,

This pull request contains a backport of commit [15c50c20](https://github.com/openjdk/jfx/commit/15c50c20b80a9287d5b136a197454eabac604a34) from the [openjdk/jfx](https://git.openjdk.org/jfx) repository.

The commit being backported was authored by Hima Bindu Meda on 15 Sep 2025 and was reviewed by Kevin Rushforth and Joeri Sykora.

Thanks!

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Commit messages:
 - Backport 15c50c20b80a9287d5b136a197454eabac604a34

Changes: https://git.openjdk.org/jfx21u/pull/104/files
  Webrev: https://webrevs.openjdk.org/?repo=jfx21u&pr=104&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8361893
  Stats: 50107 lines in 105 files changed: 12675 ins; 16590 del; 20842 mod
  Patch: https://git.openjdk.org/jfx21u/pull/104.diff
  Fetch: git fetch https://git.openjdk.org/jfx21u.git pull/104/head:pull/104

PR: https://git.openjdk.org/jfx21u/pull/104