SyntaxError is occurred on JRuby and TruffleRuby

[mrkn]

https://github.com/red-data-tools/red-palette/runs/398432298#step:6:26

SyntaxError: /home/runner/.rubies/jruby-9.2.9.0/lib/ruby/gems/shared/gems/red-colors-0.1.1/lib/colors/convert.rb:56: Rational (1745329251994329577/1E+20) out of range.
    DEG2RAD = 0.01745329251994329577r  # 2 * pi / 360
                                    ^
           require at org/jruby/RubyKernel.java:978
  require_relative at org/jruby/RubyKernel.java:1006
            <main> at /home/runner/.rubies/jruby-9.2.9.0/lib/ruby/gems/shared/gems/red-colors-0.1.1/lib/colors.rb:2
           require at org/jruby/RubyKernel.java:978
            <main> at /home/runner/work/red-palette/red-palette/lib/palette.rb:1
           require at org/jruby/RubyKernel.java:978
            <main> at /home/runner/work/red-palette/red-palette/test/helper.rb:2
           require at org/jruby/RubyKernel.java:978
  require_relative at org/jruby/RubyKernel.java:1006
            <main> at test/run.rb:15

https://github.com/red-data-tools/red-palette/runs/398432310#step:6:26

/home/runner/.rubies/truffleruby-19.3.1/lib/gems/gems/red-colors-0.1.1/lib/colors.rb:2:in `require_relative': /home/runner/.rubies/truffleruby-19.3.1/lib/gems/gems/red-colors-0.1.1/lib/colors/convert.rb:56: Rational (1745329251994329577/1E+20) out of range. (SyntaxError)
	from /home/runner/.rubies/truffleruby-19.3.1/lib/gems/gems/red-colors-0.1.1/lib/colors.rb:2:in `<top (required)>'
	from /home/runner/work/red-palette/red-palette/lib/palette.rb:1:in `require'
	from /home/runner/work/red-palette/red-palette/lib/palette.rb:1:in `<top (required)>'
	from /home/runner/work/red-palette/red-palette/test/helper.rb:2:in `require'
	from /home/runner/work/red-palette/red-palette/test/helper.rb:2:in `<top (required)>'
	from test/run.rb:15:in `require_relative'
	from test/run.rb:15:in `<main>'