Use TLS when fetching gem dependencies.
Use TLS when fetching gem dependencies.

This has been the default for new Gemfiles since a major security
incident at rubygems.org in 2013[1].

[1]: https://venturebeat.com/business/rubygems-org-hacked-interrupting-heroku-services-and-putting-millions-of-sites-using-rails-at-risk/

alphagov/govspeak,alphagov/govspeak