macOS

Dont read libxml2 version from system #750

Job	Run time
cache_libs / cache_libs (windows-11-arm)	34s
cache_libs / cache_libs (ubuntu-22.04)	12s
cache_libs / cache_libs (macos-latest)	12s
cache_libs / cache_libs (ubuntu-22.04-arm)	18s
cache_libs / cache_libs (windows-2022)	27s
macosx (3.14, static)	9m 4s
macosx (3.14)	1m 33s
	12m 20s

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