Investigate failure on truffleruby-head + macOS + XCode 14.2 #142

Job	Run time
ruby-versions / Generate Ruby versions	7s
build (2.5 / ubuntu-latest)	20s
build (2.5 / macos-latest)	50s
build (2.5 / windows-latest)	2m 38s
build (2.6 / ubuntu-latest)	21s
build (2.6 / macos-latest)	57s
build (2.6 / windows-latest)	2m 5s
build (2.7 / ubuntu-latest)	21s
build (2.7 / macos-latest)	46s
build (2.7 / windows-latest)	1m 43s
build (3.0 / ubuntu-latest)	10s
build (3.0 / macos-latest)	30s
build (3.0 / windows-latest)	1m 14s
build (3.1 / ubuntu-latest)	16s
build (3.1 / macos-latest)	18s
build (3.1 / windows-latest)	1m 47s
build (3.2 / ubuntu-latest)	13s
build (3.2 / macos-latest)	26s
build (3.2 / windows-latest)	1m 49s
build (3.3 / ubuntu-latest)	10s
build (3.3 / macos-latest)	56s
build (3.3 / windows-latest)	2m 12s
build (head / ubuntu-latest)	9s
build (head / macos-latest)	23s
build (truffleruby-head / ubuntu-latest)	24s
build (truffleruby-head / macos-latest)	38s
build (mswin / windows-latest)	1m 9s
build (mingw / windows-latest)	1m 42s
	24m 34s

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