Investigate failure on truffleruby-head + macOS + XCode 14.2 #153

Job	Run time
ruby-versions / Generate Ruby versions	2s
build (2.5 / ubuntu-latest)	21s
build (2.5 / macos-13)	1m 23s
build (2.5 / windows-latest)	3m 29s
build (2.6 / ubuntu-latest)	22s
build (2.6 / macos-13)	51s
build (2.6 / windows-latest)	2m 5s
build (2.7 / ubuntu-latest)	25s
build (2.7 / macos-13)	1m 13s
build (2.7 / windows-latest)	1m 49s
build (3.0 / ubuntu-latest)	14s
build (3.0 / macos-13)	19s
build (3.0 / windows-latest)	1m 22s
build (3.1 / ubuntu-latest)	15s
build (3.1 / macos-13)	26s
build (3.1 / windows-latest)	1m 25s
build (3.2 / ubuntu-latest)	14s
build (3.2 / macos-13)	22s
build (3.2 / windows-latest)	2m 21s
build (3.3 / ubuntu-latest)	13s
build (3.3 / macos-13)	25s
build (3.3 / windows-latest)	1m 38s
build (head / ubuntu-latest)	14s
build (head / macos-13)	26s
build (truffleruby-head / ubuntu-latest)	30s
build (truffleruby-head / macos-13)	36s
build (mswin / windows-latest)	1m 11s
build (mingw / windows-latest)	1m 1s
	25m 12s

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