feat: add windows support #488

Job	Run time
linux / setup (ubuntu-20.04)	41s
macos / setup (macos-13)	1m 5s
linux / setup (ubuntu-latest)	43s
macos / setup (macos-latest)	33s
windows / setup	58s
linux / test-sanitzed (gcc, address,leak,undefined,shift,shift-exponent,shift-base,integer-divide-by-zero...	24s
linux / test (ubuntu-20.04, tcc)	7s
linux / test (ubuntu-20.04, gcc)	16s
linux / test-sanitzed (gcc, thread)	15s
linux / test (ubuntu-20.04, clang)	14s
linux / test-sanitzed (clang, address,leak,undefined)	15s
linux / test (ubuntu-latest, tcc)	13s
linux / test-sanitzed (clang, thread)	13s
linux / test (ubuntu-latest, gcc)	13s
linux / test (ubuntu-latest, clang)	11s
linux / lint / fmt	3s
linux / lint / vet	4s
linux / lint / check-md	16s
windows / test	1m 11s
windows / test (-W)	1m 11s
macos / test (macos-13, tcc)	22s
macos / test (macos-13, clang)	20s
macos / test (macos-13, clang, -W -cstrict)	22s
macos / test (macos-latest, tcc)	21s
macos / test (macos-latest, clang)	18s
macos / test (macos-latest, clang, -W -cstrict)	20s
	11m 9s

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