Add allowed prebuilts list #8243

Job	Run time
check-rust	3m 52s
check-website	13s
scarb-metadata compatibility check	48s
build test linux x86-64	4m 6s
build test windows x86-64	8m 45s
doc tests	3m 27s
test linux x86-64 1/8	17m 34s
test linux x86-64 2/8	17m 35s
test linux x86-64 3/8	17m 40s
test linux x86-64 4/8	17m 34s
test linux x86-64 5/8	15m 40s
test linux x86-64 6/8	15m 14s
test linux x86-64 7/8	13m 1s
test linux x86-64 8/8	14m 6s
test windows x86-64 1/8	17m 20s
test windows x86-64 2/8	17m 22s
test windows x86-64 3/8	17m 19s
test windows x86-64 4/8	16m 25s
test windows x86-64 5/8	16m 14s
test windows x86-64 6/8	14m 20s
test windows x86-64 7/8	12m 25s
test windows x86-64 8/8	13m 5s
	4h 34m 5s

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