Merge pull request #76 from ruby/fix-release-gem-ver #1241

Job	Run time
ruby-versions / Generate Ruby versions	3s
ubuntu-22.04 2.7	41s
ubuntu-22.04 3.0	18s
ubuntu-22.04 3.1	19s
ubuntu-22.04 3.2	16s
ubuntu-22.04 3.3	21s
ubuntu-22.04 head	16s
ubuntu-20.04 2.7	40s
ubuntu-20.04 3.0	20s
ubuntu-20.04 3.1	21s
ubuntu-20.04 3.2	23s
ubuntu-20.04 3.3	19s
ubuntu-20.04 head	16s
macos-14 2.7	47s
macos-14 3.0	18s
macos-14 3.1	17s
macos-14 3.2	17s
macos-14 3.3	23s
macos-14 head	20s
macos-13 2.7	1m 31s
macos-13 3.0	32s
macos-13 3.1	28s
macos-13 3.2	30s
macos-13 3.3	33s
macos-13 head	32s
windows-latest 2.7	3m 32s
windows-latest 3.0	2m 33s
windows-latest 3.1	2m 42s
windows-latest 3.2	2m 40s
windows-latest 3.3	4m 14s
windows-latest ucrt	2m 12s
windows-latest mswin	2m 54s
ubuntu-20.04 jruby	1m 22s
ubuntu-20.04 jruby-head	1m 21s
	34m 31s

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