#7002 [V2][sandbox] Set default db to PostgreSQL in sandbox Issue created by popojk Motivation: Why do you think this is important? We should set the default db of sandbox to be PostgreSQL Goal: What should the final outcome look like, ideally? Run service should call PostgreSQL db. Describe alternatives you've considered n/a Propose: Link/Inline OR Additional context No response Are you sure this issue hasn't been raised already? • Yes Have you read the Code of Conduct? • Yes flyteorg/flyte