textproc/expat2: Update to 2.7.3
Fix alignment of internal allocations for some non-amd64
- CVE-2025-59375
Fix regression from CVE-2024-8176
Changelog: https://github.com/libexpat/libexpat/blob/R_2_7_3/expat/Changes
PR: 289827
Reviewed by: desktop (arrowd)
Exp-run by: antoine