build(deps): bump postgres from 11 to 12 in /database
build(deps): bump postgres from 11 to 12 in /database

Bumps postgres from 11 to 12.

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
mozilla-services/autograph,mozilla-services/autograph,mozilla-services/autograph