Add support for Rails 8.1 #22

Job	Run time
rspec (3.4, rails_8.1, oracle_enhanced)	2m 28s
rspec (3.4, rails_7.2, oracle_enhanced)	1m 33s
rspec (3.2, rails_8.1, oracle_enhanced)	2m 30s
rspec (3.3, rails_7.1, oracle_enhanced)	1m 27s
rspec (3.4, rails_8.0, oracle_enhanced)	1m 23s
rspec (3.4, rails_7.1, oracle_enhanced)	1m 34s
rspec (3.2, rails_8.0, oracle_enhanced)	1m 28s
rspec (3.3, rails_8.0, oracle_enhanced)	1m 23s
rspec (3.3, rails_8.1, oracle_enhanced)	2m 39s
rspec (3.3, rails_7.2, oracle_enhanced)	1m 24s
rspec (3.2, rails_7.1, oracle_enhanced)	1m 26s
rspec (3.2, rails_7.2, oracle_enhanced)	1m 29s
rspec (head, rails_7.2, oracle_enhanced)	1m 25s
rspec (3.1, rails_7.2, oracle_enhanced)	1m 20s
rspec (head, rails_8.0, oracle_enhanced)	1m 27s
rspec (head, rails_8.1, oracle_enhanced)	3m 30s
rspec (head, rails_7.1, oracle_enhanced)	1m 31s
rspec (3.1, rails_7.1, oracle_enhanced)	1m 31s
	31m 28s

Provide feedback