package/clamav: bump to version 0.103.4
ClamAV 0.103.4 is a critical patch release:
https://blog.clamav.net/2021/11/clamav-01034-and-01041-patch-releases.html
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
(cherry picked from commit ac629ef040fc8b10521d2592c944e09fd70b7016)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>