All tests passing on JRuby extension #362

Job	Run time
ruby-versions / Generate Ruby versions	2s
windows-latest 2.7	2m 1s
windows-latest 3.0	1m 51s
windows-latest 3.1	1m 4s
windows-latest 3.2	1m 49s
windows-latest 3.3	1m 29s
windows-latest 3.4	2m 26s
windows-latest jruby-head	2m 50s
windows-latest mingw	1m 54s
windows-latest mswin	1m 23s
	16m 49s

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