Yasuhiro Kimura f01697d25c lang/ruby31: Update to 3.1.6 ...

ReleaseNotes:	https://www.ruby-lang.org/en/news/2024/05/29/ruby-3-1-6-released/

2024-05-30 09:37:27 +09:00

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patch-configure.ac

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patch-lib_mkmf.rb

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patch-lib_rdoc_generator_json__index.rb

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patch-tool_mkconfig.rb

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patch-tool_rbinstall.rb

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