AO3-6674 Upgrade gems and config to Rails 7.0 #4004

Job	Run time
rake db:otwseed	1m 12s
rspec spec/controllers	10m 36s
rspec spec/models	5m 20s
rspec --exclude-pattern 'spec/{controllers,models}/*/.rb'	7m 23s
cucumber features/admins	4m 50s
cucumber features/bookmarks	4m 32s
cucumber features/collections	6m 25s
cucumber features/comments_and_kudos	6m 25s
cucumber features/gift_exchanges	6m 37s
cucumber features/importing	2m 37s
cucumber features/other_a	10m 20s
cucumber features/other_b	6m 27s
cucumber features/prompt_memes_a	3m 32s
cucumber features/prompt_memes_b	4m 4s
cucumber features/prompt_memes_c	4m 29s
cucumber features/search	6m 17s
cucumber features/tag_sets	3m 15s
cucumber features/tags_and_wrangling	6m 5s
cucumber features/users	4m 24s
cucumber features/works	14m 17s
	1h 59m 7s

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