Support WebAssembly target platforms `wasm{32,64}-unknown-unknown` #1058

Job	Run time
lint	17s
test (macos-latest, 7.0.0, true)	6m 19s
container_test (archlinux, true)	2m 24s
test (macos-latest, 7.0.0, false)	7m 24s
abs_paths_test (true)	2m 17s
container_test (archlinux, false)	2m 31s
test (macos-latest, latest, true)	4m 43s
abs_paths_test (false)	2m 7s
external_test (macos-13, latest, true)	11m 39s
test (macos-latest, latest, false)	4m 57s
container_test (debian, true)	6m 3s
container_test (debian, false)	5m 57s
test (ubuntu-latest, 7.0.0, true)	5m 39s
sys_paths_test (true)	3m 27s
test (ubuntu-latest, 7.0.0, false)	5m 38s
container_test (fedora, true)	6m 6s
sys_paths_test (false)	3m 32s
external_test (macos-13, latest, false)	14m 56s
test (ubuntu-latest, latest, true)	5m 44s
container_test (fedora, false)	5m 58s
external_test (ubuntu-latest, latest, true)	7m 41s
test (ubuntu-latest, latest, false)	5m 43s
container_test (suse_leap, true)	2m 58s
external_test (ubuntu-latest, latest, false)	7m 34s
xcompile_test (true)	2m 21s
container_test (suse_leap, false)	3m 15s
xcompile_test (false)	2m 17s
container_test (suse_tumbleweed, true)	2m 47s
container_test (suse_tumbleweed, false)	2m 46s
container_test (ubuntu_20_04, true)	2m 36s
container_test (ubuntu_20_04, false)	2m 45s
container_test (ubuntu_22_04, true)	6m 12s
container_test (ubuntu_22_04, false)	6m 1s
container_test (linux_sysroot, true)	2m 42s
container_test (linux_sysroot, false)	2m 36s
	2h 47m 52s

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