Security update for clamav

This update for clamav fixes the following issues:

- Update to 0.103.4 (bsc#1192346).
- Update to 0.103.3 (bsc#1188284).

This update was imported from the SUSE:SLE-15:Update update project.

Fixed bugs
bnc#1192346
VUL-0: clamav: update to 0.103.4
bnc#1188284
ClamAV 0.103.3
Selected Binaries
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