This update for libjxl fixes the following issues:

- Update to release 0.8.5 (boo#1258090):
  * fix tile dimension in low memory rendering pipeline
    [CVE-2025-12474].

- Update to release 0.8.4
  * Huffman lookup table size fix [CVE-2024-11403]
  * Check height limit in modular trees [CVE-2024-11498]