Add package publish #6891

Job	Run time
check-rust	3m 46s
check-website	11s
scarb-metadata compatibility check	48s
build test linux x86-64	3m 28s
doc tests	3m 17s
build test windows x86-64	8m 21s
test linux x86-64 1/8	13m 7s
test linux x86-64 2/8	17m 39s
test linux x86-64 3/8	16m 12s
test linux x86-64 4/8	12m 47s
test linux x86-64 5/8	10m 41s
test linux x86-64 6/8	10m 27s
test linux x86-64 7/8	7m 35s
test linux x86-64 8/8	6m 58s
test windows x86-64 1/8	13m 8s
test windows x86-64 2/8	14m 57s
test windows x86-64 3/8	14m 58s
test windows x86-64 4/8	11m 14s
test windows x86-64 5/8	10m 34s
test windows x86-64 6/8	9m 15s
test windows x86-64 7/8	8m 17s
test windows x86-64 8/8	6m 47s
	3h 24m 27s

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