lang/ruby30: Update to 3.0.1

Changes: https://www.ruby-lang.org/en/news/2020/12/25/ruby-3-0-0-released/

		https://www.ruby-lang.org/en/news/2021/04/05/ruby-3-0-1-released/

PR: 251741
Reported by: Yasuhiro Kimura <yasu@utahime.org>