test

[DOC] Extract description from README #477

Job	Run time
ruby-versions / Generate Ruby versions	3s
build (2.5 / ubuntu-latest)	18s
build (2.5 / windows-latest)	2m 14s
build (2.6 / ubuntu-latest)	23s
build (2.6 / macos-latest)	25s
build (2.6 / windows-latest)	3m 2s
build (2.7 / ubuntu-latest)	20s
build (2.7 / macos-latest)	23s
build (2.7 / windows-latest)	2m 6s
build (3.0 / ubuntu-latest)	8s
build (3.0 / macos-latest)	7s
build (3.0 / windows-latest)	1m 34s
build (3.1 / ubuntu-latest)	8s
build (3.1 / macos-latest)	9s
build (3.1 / windows-latest)	1m 35s
build (3.2 / ubuntu-latest)	7s
build (3.2 / macos-latest)	9s
build (3.2 / windows-latest)	41s
build (3.3 / ubuntu-latest)	8s
build (3.3 / macos-latest)	7s
build (3.3 / windows-latest)	1m 4s
build (3.4 / ubuntu-latest)	7s
build (3.4 / macos-latest)	14s
build (3.4 / windows-latest)	2m 1s
build (head / ubuntu-latest)	7s
build (head / macos-latest)	7s
build (head / windows-latest)	44s
build (jruby / ubuntu-latest)	23s
build (jruby / macos-latest)	25s
build (jruby-head / ubuntu-latest)	25s
build (jruby-head / macos-latest)	32s
build (truffleruby / ubuntu-latest)	15s
build (truffleruby / macos-latest)	17s
build (truffleruby-head / ubuntu-latest)	17s
build (truffleruby-head / macos-latest)	20s
	21m 25s

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