Add PG 9.3 back for Supermarket
Add PG 9.3 back for Supermarket

Add the latest release instead of .18 though since this has some CVE
fixes in it.

Signed-off-by: Tim Smith <764ef62106582a09ed09dfa0b6bff7c05fd7d1e4@chef.io>
Signed-off-by: Tom Duffield <64b2b6d12bfe4baae7dad3d018f8cbf6b0e7a044@tomduffield.com>

chef/omnibus-software,chef/omnibus-software,chef/omnibus-software,chef/omnibus-software,chef/omnibus-software,chef/omnibus-software