Use cairo-toolchain-xtasks (#1845) #8172

Job	Run time
check-website	9s
check-rust	4m 16s
build test linux x86-64	4m 49s
build test windows x86-64	14m 45s
doc tests	3m 17s
scarb-metadata compatibility check	53s
test linux x86-64 1/8	21m 40s
test linux x86-64 2/8	24m 10s
test linux x86-64 3/8	19m 41s
test linux x86-64 4/8	17m 26s
test linux x86-64 5/8	15m 35s
test linux x86-64 6/8	13m 26s
test linux x86-64 7/8	13m 36s
test linux x86-64 8/8	15m 47s
test windows x86-64 1/8	20m 14s
test windows x86-64 2/8	22m 4s
test windows x86-64 3/8	19m 53s
test windows x86-64 4/8	16m 41s
test windows x86-64 5/8	16m 48s
test windows x86-64 6/8	13m 2s
test windows x86-64 7/8	13m 28s
test windows x86-64 8/8	15m 21s
	5h 7m 1s

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