Add package publish #6886

Job	Run time
check-rust	3m 47s
scarb-metadata compatibility check	47s
build test linux x86-64	3m 29s
doc tests	3m 28s
build test windows x86-64	7m 33s
check-website	12s
test linux x86-64 1/8	13m 19s
test linux x86-64 2/8	17m 24s
test linux x86-64 3/8	15m 57s
test linux x86-64 4/8	12m 48s
test linux x86-64 5/8	10m 36s
test linux x86-64 6/8	10m 25s
test linux x86-64 7/8	7m 34s
test linux x86-64 8/8	7m 6s
test windows x86-64 1/8	12m 52s
test windows x86-64 2/8	14m 41s
test windows x86-64 3/8	15m 1s
test windows x86-64 4/8	10m 57s
test windows x86-64 5/8	10m 38s
test windows x86-64 6/8	9m 15s
test windows x86-64 7/8	8m 21s
test windows x86-64 8/8	7m 2s
	3h 23m 12s

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