Add once_map package (#1665) #8328

Job	Run time
doc tests	3m 23s
check-rust	4m 13s
build test linux x86-64	4m 58s
check-website	9s
build test windows x86-64	11m 36s
scarb-metadata compatibility check	41s
test prebuilt plugins linux x86-64	5m 58s
test prebuilt plugins windows x86-64	8m 32s
test prebuilt plugins macos arm64	5m 6s
test prebuilt plugins macos x86-64	5m 52s
test linux x86-64 1/8	22m 56s
test linux x86-64 2/8	26m 15s
test linux x86-64 3/8	21m 22s
test linux x86-64 4/8	18m 46s
test linux x86-64 5/8	16m 0s
test linux x86-64 6/8	16m 39s
test linux x86-64 7/8	14m 16s
test linux x86-64 8/8	16m 9s
test windows x86-64 1/8	20m 35s
test windows x86-64 2/8	24m 8s
test windows x86-64 3/8	21m 51s
test windows x86-64 4/8	17m 24s
test windows x86-64 5/8	17m 23s
test windows x86-64 6/8	15m 4s
test windows x86-64 7/8	12m 15s
test windows x86-64 8/8	14m 59s
	5h 46m 30s

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