security/clamav-lts: Update to 1.0.3
ReleaseNotes: https://blog.clamav.net/2023/08/clamav-120-feature-version-and-111-102.html
MFH: 2023Q3
Security: 6d928319-4612-11ee-b224-080027f5fec9
(cherry picked from commit 8cce0a8b84009a11a85c949570ec42c1d2bba466)