Only load fog-rackspace on Rails 6.x due to fog-core incompatibility #578

Job	Run time	Billable time
RuboCop	45s	0s
RSpec and Cucumber (2.7, gemfiles/rails-7-0.gemfile, false)	2m 49s	0s
RSpec and Cucumber (3.0, gemfiles/rails-7-0.gemfile, false)	1m 16s	0s
RSpec and Cucumber (3.1, gemfiles/rails-7-0.gemfile, false)	1m 28s	0s
RSpec and Cucumber (3.2, gemfiles/rails-7-0.gemfile, false)	1m 17s	0s
RSpec and Cucumber (jruby, gemfiles/rails-7-0.gemfile, false)	1m 45s	0s
RSpec and Cucumber (2.5, gemfiles/rails-6-0.gemfile, false)	2m 52s	0s
RSpec and Cucumber (2.6, gemfiles/rails-6-1.gemfile, false)	3m 13s	0s
RSpec and Cucumber (3.2, gemfiles/rails-7-1.gemfile, false)	1m 20s	0s
RSpec and Cucumber (3.2, gemfiles/rails-main.gemfile, true)	1m 47s	0s
RSpec and Cucumber (ruby-head, gemfiles/rails-7-1.gemfile, false)	2m 7s	0s
RSpec and Cucumber (jruby-head, gemfiles/rails-7-0.gemfile, true)	1m 39s	0s
	22m 18s	0s

Provide feedback