Merge pull request #575 from flori/refine-ci #246

Job	Run time
ruby-versions / Generate Ruby versions	2s
ubuntu-20.04 2.3	57s
ubuntu-20.04 2.4	54s
ubuntu-20.04 2.5	57s
ubuntu-20.04 2.6	1m 1s
ubuntu-20.04 2.7	59s
ubuntu-20.04 3.0	20s
ubuntu-20.04 3.1	24s
ubuntu-20.04 3.2	17s
ubuntu-20.04 3.3	21s
ubuntu-20.04 head	20s
ubuntu-20.04 jruby	1m 11s
ubuntu-20.04 jruby-head	1m 18s
ubuntu-22.04 2.3	56s
ubuntu-22.04 2.4	54s
ubuntu-22.04 2.5	55s
ubuntu-22.04 2.6	59s
ubuntu-22.04 2.7	59s
ubuntu-22.04 3.0	22s
ubuntu-22.04 3.1	27s
ubuntu-22.04 3.2	18s
ubuntu-22.04 3.3	23s
ubuntu-22.04 head	23s
ubuntu-22.04 jruby	1m 18s
ubuntu-22.04 jruby-head	1m 9s
macos-12 2.3	2m 16s
macos-12 2.4	2m 0s
macos-12 2.5	2m 0s
macos-12 2.6	2m 4s
macos-12 2.7	1m 52s
macos-12 3.0	23s
macos-12 3.1	25s
macos-12 3.2	37s
macos-12 3.3	31s
macos-12 head	52s
macos-12 jruby	1m 57s
macos-12 jruby-head	1m 39s
macos-13 2.3	2m 1s
macos-13 2.4	2m 10s
macos-13 2.5	2m 11s
macos-13 2.6	2m 0s
macos-13 2.7	1m 57s
macos-13 3.0	39s
macos-13 3.1	31s
macos-13 3.2	36s
macos-13 3.3	29s
macos-13 head	29s
macos-13 jruby	1m 18s
macos-13 jruby-head	1m 18s
macos-14 2.6	1m 14s
macos-14 2.7	58s
macos-14 3.0	18s
macos-14 3.1	20s
macos-14 3.2	19s
macos-14 3.3	20s
macos-14 head	35s
macos-14 jruby	45s
macos-14 jruby-head	45s
windows-latest 2.3	2m 25s
windows-latest 2.4	2m 59s
windows-latest 2.5	3m 1s
windows-latest 2.6	3m 29s
windows-latest 2.7	4m 5s
windows-latest 3.0	1m 42s
windows-latest 3.1	1m 38s
windows-latest 3.2	1m 24s
windows-latest 3.3	2m 16s
windows-latest head	1m 24s
windows-latest mswin	1m 10s
ubuntu-latest jruby-9.1	1m 24s
ubuntu-latest jruby-9.2	1m 18s
ubuntu-latest jruby-9.3	1m 11s
ubuntu-latest jruby-9.4	1m 16s
	1h 26m 35s

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