Fix setup.sh for CI #2045

Job	Run time
sdist	42s
build-spidermonkey-unix (ubuntu-22.04-arm, 3.10)	18s
build-spidermonkey-unix (ubuntu-22.04, 3.10)	5m 41s
build-spidermonkey-win	5m 39s
build-spidermonkey-unix (macos-15-intel, 3.10)	1m 55s
build-spidermonkey-unix (macos-14, 3.10)	19s
build-and-test	1s
publish-nightly	1s
publish	1s
publish-archive	1s
	14m 38s

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