test

use `Ractor.shareable_proc` #214

Job	Run time
ruby-versions / Generate Ruby versions	3s
build (2.6 / macos-latest)	29s
build (2.5 / ubuntu-latest)	23s
build (2.6 / ubuntu-latest)	25s
build (2.7 / macos-latest)	25s
build (3.0 / ubuntu-latest)	9s
build (3.0 / macos-latest)	11s
build (2.7 / ubuntu-latest)	25s
build (3.1 / ubuntu-latest)	8s
build (3.2 / macos-latest)	10s
build (3.2 / ubuntu-latest)	9s
build (3.4 / ubuntu-latest)	8s
build (jruby-head / ubuntu-latest)	42s
build (3.3 / macos-latest)	15s
build (head / ubuntu-latest)	7s
build (3.4 / macos-latest)	14s
build (jruby / macos-latest)	25s
build (3.3 / ubuntu-latest)	11s
build (3.1 / macos-latest)	11s
build (jruby / ubuntu-latest)	36s
build (2.5 / macos-13)	56s
build (jruby-head / macos-latest)	35s
build (head / macos-latest)	11s
	7m 28s

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