Check with multiple mruby versions

[takumin]

• Support multiple mruby versions
  • 2.0.1
  • 2.1.2
  • 3.0.0
  • 3.1.0
  • 3.2.0
• Workaround for mruby 2.0.1 build failure on Ruby 3.0 or higher
  • Ruby 3.0 a method delegating all arguments must explicitly delegate keyword arguments in addition to positional arguments.
  • Fixed in mruby with the following commit: mruby/mruby@26e6e75
  • Where to apply monkey patch: https://github.com/mruby/mruby/blob/2.0.1/Rakefile#L37-L39
  • See also: https://www.ruby-lang.org/en/news/2019/12/12/separation-of-positional-and-keyword-arguments-in-ruby-3-0/
• Update actions/checkout@v1.0.0 to actions/checkout@v4
  • Remove fetch-depth option
  • Add submodules option
• Change ${MRUBY_BUILD} to ${MRUBY_CONFIG}
  • Display mruby-yaml in mruby build summary
• GitHub Actions Log
  • https://github.com/takumin/mruby-yaml/actions/runs/6678302036