Fix legacy libv8 on conda-forge and centos-7 #304

Job	Run time
macOS-13 (release)	2m 41s
macOS-14 (release)	1m 35s
macOS-latest disable-static (release)	1m 38s
windows-latest (3.6)	7m 23s
windows-latest (4.0)	7m 9s
windows-latest (4.1)	8m 45s
windows-latest (4.2)	4m 59s
windows-latest (4.3)	8m 55s
windows-latest (4.4)	4m 15s
windows-2022 (devel)	4m 7s
ubuntu-latest (devel)	7m 19s
ubuntu-20.04 (release)	3m 4s
ubuntu-24.04 disable-static (release)	3m 22s
ubuntu-22.04 disable-static (release)	1m 52s
ubuntu-20.04 disable-static (release)	2m 6s
	1h 9m 10s

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