Robert Marshall authored Apr 16, 2022 and Balasankar 'Balu' C committed Apr 16, 2022

- When the database command is specified, only update the options for
  that specific database.
- Self managed users may have depended on the default behaviors, so
  retain the default rails database behavior for now to support
  administrators who may depend on it with their scripts until a proper
  deprecation notice has been published.

Closes https://gitlab.com/gitlab-org/omnibus-gitlab/-/issues/6757

Related https://gitlab.com/gitlab-org/omnibus-gitlab/-/issues/6587

Changelog: added

Signed-off-by: Robert Marshall <rmarshall@gitlab.com>