AO3-6815 Update Contributing Information (#4936) #4548

Job	Run time
rake db:otwseed	1m 13s
rspec spec/controllers	11m 32s
rspec spec/models	5m 36s
rspec --exclude-pattern 'spec/{controllers,models}/*/.rb'	7m 39s
cucumber features/admins	5m 47s
cucumber features/bookmarks	4m 20s
cucumber features/collections	6m 3s
cucumber features/comments_and_kudos	6m 4s
cucumber features/gift_exchanges	6m 59s
cucumber features/importing	2m 34s
cucumber features/other_a	10m 38s
cucumber features/other_b	6m 51s
cucumber features/prompt_memes_a	3m 52s
cucumber features/prompt_memes_b	3m 31s
cucumber features/prompt_memes_c	4m 33s
cucumber features/search	6m 29s
cucumber features/tag_sets	3m 25s
cucumber features/tags_and_wrangling	6m 16s
cucumber features/users	4m 44s
cucumber features/works	14m 32s
	2h 2m 38s

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