This update for mozjs78 fixes the following issues

- CVE-2026-32776: libexpat: NULL pointer dereference when processing empty external parameter entities inside an entity
  declaration value (bsc#1259728).
- CVE-2026-32777: libexpat: denial of service due to infinite loop in DTD content parsing (bsc#1259713).
- CVE-2026-32778: libexpat: NULL pointer dereference in `setContext` on retry after an out-of-memory condition
  (bsc#1259731).