This will reduce the boilerplate code.

Signed-off-by: Rémy Coutable <remy@rymai.me>

For some configurations of databases we should skip
creating, dropping or running migrations.

In particular this applies to Phase 4, where we should
not create, drop or migrate the `ci:` if it points to
the same database as `main:`.

This is well supported in Rails 7. This backports exact
same config to achieve exactly the same outcome.

Signed-off-by: Rémy Coutable <remy@rymai.me>

Auto-corrected with Rubocop

* update-rubocop:
  Use stable gitlab-styles and eliminate offenses
  Updates from `rubocop -a`
  Update rubocop to get rid of a warning in other MR

initializers are not loaded during the rake task assets:precompile,
so assets generation runs without relative url configuration in Rails
and produces broken assets.