fix REUSE compliance

Signed-off-by: Alberto Pianon <alberto@pianon.eu>

.reuse/dep5

@@ -6,6 +6,8 @@ License: CC-BY-SA-4.0 AND LicenseRef-Trademark-Notice
 Comment: authored by Peter Moser, Carlo Piana, Alberto Pianon and Martin Rabanser
 
 Files: deployment/fossology/upgrade/from_3.9.0_to_4.1.0/img/*
+       deployment/fossology/upgrade/from_4.1.0_to_4.4.0/img/*
+       postgres-upgrade-warning.png
        deployment/fossology/migration/img/*
        development/fossology/reports/img/*
        audit_workflow/img/*