macos

[DOC] Split the examples `StringIO` into the document file #526

Job	Run time
ruby-versions / Generate Ruby versions	5s
macos-13 3.4	41s
macos-13 2.7	1m 20s
macos-13 3.2	19s
macos-14 3.0	16s
macos-13 debug	29s
macos-14 3.2	16s
macos-13 3.3	30s
macos-13 head	21s
macos-13 3.0	24s
macos-14 head	16s
macos-13 3.1	31s
macos-14 2.7	39s
macos-14 3.3	21s
macos-13 jruby-head	1m 36s
macos-14 3.4	17s
macos-14 debug	16s
macos-14 jruby-head	53s
macos-14 3.1	15s
	9m 45s

Provide feedback