debug upb build failure on mac #121

Job	Run time
get_version	4s
build-and-run-tests-windows	1m 34s
build-and-run-tests-macos (macos-14)	1m 27s
build-and-run-tests-macos (macos-13)	1m 28s
build-and-run-tests-ubuntu	1m 27s
	6m 0s

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