Add allowed prebuilts list (#1846) #8252

Job	Run time
check-rust	3m 44s
build test linux x86-64	4m 15s
scarb-metadata compatibility check	53s
build test windows x86-64	8m 31s
check-website	9s
doc tests	3m 22s
test linux x86-64 1/8	21m 32s
test linux x86-64 2/8	25m 51s
test linux x86-64 3/8	20m 20s
test linux x86-64 4/8	18m 21s
test linux x86-64 5/8	15m 22s
test linux x86-64 6/8	16m 1s
test linux x86-64 7/8	12m 0s
test linux x86-64 8/8	14m 40s
test windows x86-64 1/8	19m 35s
test windows x86-64 2/8	22m 59s
test windows x86-64 3/8	20m 18s
test windows x86-64 4/8	15m 30s
test windows x86-64 5/8	16m 9s
test windows x86-64 6/8	14m 56s
test windows x86-64 7/8	11m 50s
test windows x86-64 8/8	14m 0s
	5h 0m 18s

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