* Upgrading to postgres:15
* Changing image from postgres to sclorg
* Handle scenario where upgrade status is not defined & correct pg tag
* Rework the upgrade logic to be more resiliant for multiple upgrades
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Co-authored-by: john-westcott-iv <john-westcott-iv@users.noreply.github.com>
Co-authored-by: Christian M. Adams <chadams@redhat.com>
