Fixes for JRuby release build #444

Job	Run time
ruby-versions / Generate Ruby versions	3s
ubuntu-24.04 2.7	39s
ubuntu-24.04 3.0	16s
ubuntu-24.04 3.1	14s
ubuntu-24.04 3.2	19s
ubuntu-24.04 3.3	14s
ubuntu-24.04 3.4	11s
ubuntu-24.04 debug	20s
ubuntu-24.04 head	10s
ubuntu-24.04 jruby-head	1m 12s
ubuntu-24.04 truffleruby-head	33s
ubuntu-22.04 2.7	44s
ubuntu-22.04 3.0	10s
ubuntu-22.04 3.1	19s
ubuntu-22.04 3.2	15s
ubuntu-22.04 3.3	20s
ubuntu-22.04 3.4	11s
ubuntu-22.04 debug	18s
ubuntu-22.04 head	17s
ubuntu-22.04 jruby-head	1m 13s
ubuntu-22.04 truffleruby-head	33s
	8m 31s

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