Update dependency selenium-webdriver to v4.28.0

See merge request !10

> This gem was aggregating the dependencies of Turbo and Stimulus,
> but offered nothing else. Aggregating dependencies is not enough
> value, so this gem is now deprecated.
> Please use the underlying frameworks directly.
(from https://github.com/hotwired/hotwire-rails)

Fixes #30

On an actual mobile it's ugly :)

Hanging indent should add some visual separation for smaller screens.

Fixes #18

Add light-gray border and some drop shadow.

Fixes #7

This functionality was lost when moving to a template-based approach for
the list of all translators.

Fixes #32

For some reason, the package is called "ruby-version"?

Migrate renovate config

See merge request !5

The dockerfileVersions rule uses the regex manager. I hope?

This partly reverts 658ea7d7.

The configuration was added by solid_queue:install but we are using the
same database for storage and queue.

There are no more updates available as of now.

This includes a two-part update of solid_queue via 0.6.0 as requested in the changelog.