packaging: setup: update reports DB schema on major release upgrade

This addition is required because there is a major schema change
introduced by Jasper Server in 5.5 compared to 4.7; this is needed
for correct operation of export/import functionality.

Change-Id: I0f2557aae870c9f9f3c8076abd67b5c72120b279
Bug-Url: https://bugzilla.redhat.com/1043530
Signed-off-by: Alex Lourie <alourie@redhat.com>