macos

[DOC] Doc for StringIO#gets #545

Job	Run time
ruby-versions / Generate Ruby versions	4s
macos-13 3.0	30s
macos-13 debug	38s
macos-13 3.1	30s
macos-13 3.4	49s
macos-13 2.7	1m 8s
macos-13 3.3	35s
macos-13 3.2	34s
macos-13 jruby-head	1m 39s
macos-14 3.1	20s
macos-14 2.7	40s
macos-14 3.3	23s
macos-14 debug	27s
macos-14 3.2	22s
macos-14 3.0	19s
macos-13 head	54s
macos-14 jruby-head	58s
macos-14 head	21s
macos-14 3.4	24s
	11m 35s

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