Fix CI by switching back to x86 Mac runners #766

Job	Run time
lint	19s
test (macos-latest, 7.0.0, true)	1m 50s
abs_paths_test (true)	2m 10s
test (macos-latest, 7.0.0, false)	2m 15s
container_test (archlinux, true)	2m 36s
abs_paths_test (false)	2m 12s
test (macos-latest, latest, true)	1m 54s
container_test (archlinux, false)	2m 33s
test (macos-latest, latest, false)	2m 8s
container_test (debian, true)	2m 24s
external_test (macos-13, latest, true)	9m 9s
test (ubuntu-latest, 7.0.0, true)	2m 17s
container_test (debian, false)	2m 23s
sys_paths_test (true)	3m 18s
external_test (macos-13, latest, false)	10m 28s
test (ubuntu-latest, 7.0.0, false)	2m 35s
container_test (fedora, true)	2m 37s
sys_paths_test (false)	3m 22s
external_test (ubuntu-latest, latest, true)	7m 36s
test (ubuntu-latest, latest, true)	2m 21s
container_test (fedora, false)	2m 50s
external_test (ubuntu-latest, latest, false)	7m 42s
test (ubuntu-latest, latest, false)	2m 11s
container_test (suse_leap, true)	3m 10s
xcompile_test (true)	2m 27s
container_test (suse_leap, false)	3m 15s
xcompile_test (false)	1m 51s
container_test (suse_tumbleweed, true)	2m 47s
container_test (suse_tumbleweed, false)	2m 39s
container_test (ubuntu_20_04, true)	2m 41s
container_test (ubuntu_20_04, false)	2m 34s
container_test (ubuntu_22_04, true)	2m 20s
container_test (ubuntu_22_04, false)	2m 20s
container_test (linux_sysroot, true)	2m 31s
container_test (linux_sysroot, false)	2m 35s
	1h 50m 20s

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