Merge pull request #20 from ruby/dependabot/github_actions/actions/ch… #60

Job	Run time
ruby-versions / Generate Ruby versions	4s
build (2.6)	4m 2s
build (2.7)	3m 30s
build (3.0)	2m 48s
build (3.1)	2m 39s
build (3.2)	3m 27s
build (head)	2m 41s
build (mingw)	2m 37s
build (mswin)	2m 40s
	24m 28s

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