macos

Add JRuby to macos and windows CI #29

Job	Run time
ruby-versions / Generate Ruby versions	3s
macos-13 2.7	1m 11s
macos-13 3.0	22s
macos-13 3.1	22s
macos-13 3.2	22s
macos-13 3.3	25s
macos-13 3.4	30s
macos-13 debug	29s
macos-13 head	23s
macos-13 jruby-head	1m 5s
macos-14 2.7	39s
macos-14 3.0	14s
macos-14 3.1	14s
macos-14 3.2	12s
macos-14 3.3	12s
macos-14 3.4	14s
macos-14 debug	19s
macos-14 head	15s
macos-14 jruby-head	50s
	8m 21s

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