Tweak layout for dependencies section
Tweak layout for dependencies section

This matches what we have in other repos [1][2].

[1]: https://github.com/alphagov/notifications-antivirus#to-update-application-dependencies
[2]: https://github.com/alphagov/notifications-api#to-update-application-dependencies

alphagov/notifications-admin,alphagov/notifications-admin,alphagov/notifications-admin,alphagov/notifications-admin