Add documentation for supporting S3 with ACLs disabled and GCS unifor… #539

Job	Run time
RSpec and Cucumber (2.7, gemfiles/rails-7-0.gemfile, false)	1m 14s
RSpec and Cucumber (3.0, gemfiles/rails-7-0.gemfile, false)	54s
RuboCop	18s
RSpec and Cucumber (3.1, gemfiles/rails-7-0.gemfile, false)	1m 6s
RSpec and Cucumber (3.2, gemfiles/rails-7-0.gemfile, false)	1m 5s
RSpec and Cucumber (jruby, gemfiles/rails-7-0.gemfile, false)	2m 27s
RSpec and Cucumber (2.5, gemfiles/rails-6-0.gemfile, false)	1m 11s
RSpec and Cucumber (2.6, gemfiles/rails-6-1.gemfile, false)	1m 14s
RSpec and Cucumber (3.2, gemfiles/rails-7-1.gemfile, false)	1m 5s
RSpec and Cucumber (3.2, gemfiles/rails-main.gemfile, true)	1m 7s
RSpec and Cucumber (ruby-head, gemfiles/rails-7-1.gemfile, false)	1m 12s
RSpec and Cucumber (jruby-head, gemfiles/rails-7-0.gemfile, true)	2m 5s
	14m 58s

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