Add sequences in Standard libraries #1145

Job	Run time
steep-check (head)	15s
check-misc (head)	7s
test-ruby (head, master)	5m 55s
test-ruby (3.0, master)	9m 24s
test-memory (head)	1m 3s
test-windows (head)	1m 54s
ruby-versions / Generate Ruby versions	7s
test (2.5)	25s
test (2.6)	22s
test (2.7)	25s
test (3.0)	11s
test (3.1)	16s
test (3.2)	13s
test (3.3)	10s
test (head)	10s
	20m 57s

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