RSpec

Bump minitest from 5.20.0 to 5.21.2 #793

Job	Run time
Ruby 3.0 and ActiveSupport 6.1	44s
Ruby 3.0 and ActiveSupport 7.0	40s
Ruby 3.0 and ActiveSupport 7.1	1m 0s
Ruby 3.0 and ActiveSupport main	39s
Ruby 3.1 and ActiveSupport 6.1	1m 1s
Ruby 3.1 and ActiveSupport 7.0	48s
Ruby 3.1 and ActiveSupport 7.1	1m 6s
Ruby 3.1 and ActiveSupport main	2m 23s
Ruby 3.2 and ActiveSupport 6.1	49s
Ruby 3.2 and ActiveSupport 7.0	43s
Ruby 3.2 and ActiveSupport 7.1	53s
Ruby 3.2 and ActiveSupport main	1m 7s
Ruby 3.3 and ActiveSupport 6.1	40s
Ruby 3.3 and ActiveSupport 7.0	42s
Ruby 3.3 and ActiveSupport 7.1	52s
Ruby 3.3 and ActiveSupport main	1m 15s
Ruby head and ActiveSupport 6.1	51s
Ruby head and ActiveSupport 7.0	44s
Ruby head and ActiveSupport 7.1	56s
Ruby head and ActiveSupport main	1m 9s
	19m 2s

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