Merge pull request #31 from ruby/ractor-value #109

Job	Run time
ruby-versions / Generate Ruby versions	3s
build (2.6 / ubuntu-latest)	27s
build (2.6 / macos-latest)	35s
build (2.7 / ubuntu-latest)	33s
build (2.7 / macos-latest)	46s
build (3.0 / ubuntu-latest)	18s
build (3.0 / macos-latest)	18s
build (3.1 / ubuntu-latest)	18s
build (3.1 / macos-latest)	14s
build (3.2 / ubuntu-latest)	16s
build (3.2 / macos-latest)	17s
build (3.3 / ubuntu-latest)	17s
build (3.3 / macos-latest)	13s
build (3.4 / ubuntu-latest)	19s
build (3.4 / macos-latest)	16s
build (head / ubuntu-latest)	14s
build (head / macos-latest)	16s
	5m 40s

Provide feedback