Add basic support for armv7 #1181

Job	Run time
lint	13s
abs_paths_test (true)	2m 12s
external_test (macos-13, latest, true)	11m 47s
abs_paths_test (false)	2m 15s
external_test (macos-13, latest, false)	13m 27s
container_test (archlinux, true)	2m 36s
sys_paths_test (true)	3m 25s
external_test (ubuntu-latest, latest, true)	7m 56s
container_test (archlinux, false)	2m 36s
sys_paths_test (false)	3m 27s
external_test (ubuntu-latest, latest, false)	8m 1s
container_test (debian, true)	6m 14s
test (macos-latest, 7.x, true)	6m 36s
container_test (debian, false)	6m 13s
test (macos-latest, 7.x, false)	5m 47s
container_test (fedora, true)	6m 18s
xcompile_test (true)	2m 37s
test (macos-latest, latest, true)	6m 21s
container_test (fedora, false)	6m 26s
xcompile_test (false)	2m 9s
test (macos-latest, latest, false)	5m 32s
container_test (suse_leap, true)	3m 10s
test (ubuntu-latest, 7.x, true)	5m 45s
container_test (suse_leap, false)	3m 15s
container_test (suse_tumbleweed, true)	2m 55s
test (ubuntu-latest, 7.x, false)	5m 41s
test (ubuntu-latest, latest, true)	5m 47s
container_test (suse_tumbleweed, false)	2m 57s
container_test (ubuntu_20_04, true)	2m 57s
test (ubuntu-latest, latest, false)	5m 56s
container_test (ubuntu_20_04, false)	2m 59s
container_test (ubuntu_22_04, true)	6m 39s
container_test (ubuntu_22_04, false)	6m 7s
container_test (linux_sysroot, true)	2m 44s
container_test (linux_sysroot, false)	2m 44s
	2h 51m 44s

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