ci: fix cache key issue #534

# to view logs

Job	Run time
linux / setup (ubuntu-20.04)	42s
macos / setup (macos-13)	1m 21s
linux / setup (ubuntu-latest)	42s
macos / setup (macos-latest)	39s
windows / setup	1m 2s
linux / test (ubuntu-20.04, tcc)	4s
linux / test-sanitzed (gcc, address,leak,undefined,shift,shift-exponent,shift-base,integer-divide-by-zero...	23s
linux / test (ubuntu-20.04, gcc)	15s
linux / test-sanitzed (gcc, thread)	16s
linux / test (ubuntu-20.04, gcc, -W -cstrict)	13s
linux / test-sanitzed (clang, address,leak,undefined)	21s
linux / test (ubuntu-20.04, clang)	10s
linux / test-sanitzed (clang, thread)	12s
linux / test (ubuntu-20.04, clang, -W -cstrict)	10s
linux / lint / fmt	4s
linux / test (ubuntu-latest, tcc)	10s
linux / lint / vet	4s
linux / test (ubuntu-latest, gcc)	12s
linux / lint / check-md	8s
linux / test (ubuntu-latest, gcc, -W -cstrict)	12s
linux / test (ubuntu-latest, clang)	11s
linux / test (ubuntu-latest, clang, -W -cstrict)	15s
windows / test	48s
windows / test (-W)	1m 12s
macos / test (macos-13, tcc)	41s
macos / test (macos-13, clang)	23s
macos / test (macos-13, clang, -W -cstrict)	31s
macos / test (macos-latest, tcc)	23s
macos / test (macos-latest, clang)	13s
macos / test (macos-latest, clang, -W -cstrict)	15s
	12m 12s

Provide feedback