AO3-6674 Upgrade gems and config to Rails 7.0 #3879

Job	Run time
rake db:otwseed	1m 18s
rspec spec/controllers	10m 16s
rspec spec/models	5m 32s
rspec --exclude-pattern 'spec/{controllers,models}/*/.rb'	5m 11s
cucumber features/admins	5m 0s
cucumber features/bookmarks	4m 45s
cucumber features/collections	6m 18s
cucumber features/comments_and_kudos	6m 1s
cucumber features/gift_exchanges	6m 27s
cucumber features/importing	2m 33s
cucumber features/other_a	10m 16s
cucumber features/other_b	7m 8s
cucumber features/prompt_memes_a	4m 1s
cucumber features/prompt_memes_b	3m 24s
cucumber features/prompt_memes_c	5m 11s
cucumber features/search	6m 5s
cucumber features/tag_sets	3m 4s
cucumber features/tags_and_wrangling	6m 17s
cucumber features/users	4m 8s
cucumber features/works	13m 7s
	1h 56m 2s

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