RSpec

Bump json from 2.6.3 to 2.7.0 #715

Job	Run time
Ruby 3.0 and ActiveSupport 6.1	35s
Ruby 3.0 and ActiveSupport 7.0	37s
Ruby 3.0 and ActiveSupport 7.1	46s
Ruby 3.0 and ActiveSupport main	1m 26s
Ruby 3.1 and ActiveSupport 6.1	35s
Ruby 3.1 and ActiveSupport 7.0	36s
Ruby 3.1 and ActiveSupport 7.1	46s
Ruby 3.1 and ActiveSupport main	4m 4s
Ruby 3.2 and ActiveSupport 6.1	32s
Ruby 3.2 and ActiveSupport 7.0	32s
Ruby 3.2 and ActiveSupport 7.1	37s
Ruby 3.2 and ActiveSupport main	44s
Ruby head and ActiveSupport 6.1	1m 45s
Ruby head and ActiveSupport 7.0	1m 41s
Ruby head and ActiveSupport 7.1	1m 32s
Ruby head and ActiveSupport main	1m 38s
	18m 26s

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