qa/suites: exclude ceph-osd-classic

a37b5b5bde8c2e8d6890f16b31046119ed55f25d added ceph-osd-classic
package.
old-clients and upgrade tests should not try to install the new package
as it is not available in older releases.

Fixes: https://tracker.ceph.com/issues/73848
Signed-off-by: Matan Breizman <mbreizma@redhat.com>

Merge pull request #66149 from amathuria/wip-amat-update-seastar-nov25

seastar: bump up seastar submodule

Reviewed-by: Matan Breizman <mbreizma@redhat.com>