Split cairo-lang-macro crate into two (api <> abi) #4933

Job	Run time
build test linux x86-64	2m 45s
check-rust	3m 34s
build test windows x86-64	6m 4s
check-website	12s
scarb-metadata compatibility check	55s
test linux x86-64 1/8	3m 23s
test linux x86-64 2/8	4m 13s
test linux x86-64 3/8	4m 33s
test linux x86-64 4/8	2m 43s
test linux x86-64 5/8	3m 34s
test linux x86-64 6/8	2m 32s
test linux x86-64 7/8	2m 6s
test linux x86-64 8/8	1m 42s
test windows x86-64 1/8	4m 5s
test windows x86-64 2/8	3m 58s
test windows x86-64 3/8	3m 49s
test windows x86-64 4/8	3m 8s
test windows x86-64 5/8	3m 54s
test windows x86-64 6/8	2m 15s
test windows x86-64 7/8	2m 24s
test windows x86-64 8/8	1m 56s
	1h 3m 45s

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