CI: Fix macOS python dependencies install step #264

Job	Run time
check_code_style	28s
check_libraries_manifest	14s
check_source_code (ubuntu-20.04)	2m 33s
build_windows (Release, 64, windows-2019)	1h 18m 15s
build_linux (Release, ubuntu-20.04)	57m 19s
build_windows (Release, arm64, windows-2019)	48m 33s
build_macos (Release, x86_64, macos-12)	1h 57m 49s
build_linux (RelWithDebInfo, ubuntu-20.04)	48m 35s
build_macos (Release, arm64, macos-12)	1h 39m 53s
build_linux (Debug, ubuntu-20.04)	58m 33s
build_macos (Debug, x86_64, macos-12)	1h 51m 41s
test_macos_bigsur	16m 1s
build_universal_macos_artifacts	0s
mergeable	0s
	10h 39m 54s

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