macos

[DOC] Link `IO` to the official document #525

Job	Run time
ruby-versions / Generate Ruby versions	4s
macos-13 3.0	22s
macos-13 2.7	1m 26s
macos-13 3.2	26s
macos-13 3.1	22s
macos-13 debug	57s
macos-13 jruby-head	1m 42s
macos-13 3.4	23s
macos-13 head	50s
macos-13 3.3	27s
macos-14 3.1	15s
macos-14 3.0	20s
macos-14 3.2	13s
macos-14 2.7	32s
macos-14 3.3	18s
macos-14 3.4	14s
macos-14 jruby-head	38s
macos-14 head	16s
macos-14 debug	27s
	10m 12s

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