feat: executable plugin #8158

Job	Run time
build test linux x86-64	5m 12s
build test linux x86-64	3m 58s
check-rust	4m 6s
check-rust	3m 58s
build test windows x86-64	16m 6s
build test windows x86-64	7m 15s
check-website	12s
check-website	12s
scarb-metadata compatibility check	50s
scarb-metadata compatibility check	46s
doc tests	3m 21s
doc tests	3m 19s
test linux x86-64 1/8	1s
test linux x86-64 1/8	21m 51s
test linux x86-64 2/8	1s
test linux x86-64 2/8	24m 58s
test linux x86-64 3/8	1s
test linux x86-64 3/8	19m 26s
test linux x86-64 4/8	1s
test linux x86-64 4/8	17m 32s
test linux x86-64 5/8	1s
test linux x86-64 5/8	16m 14s
test linux x86-64 6/8	1s
test linux x86-64 6/8	13m 6s
test linux x86-64 7/8	1s
test linux x86-64 7/8	13m 30s
test linux x86-64 8/8	1s
test linux x86-64 8/8	15m 25s
test windows x86-64 1/8	9m 3s
test windows x86-64 1/8	20m 13s
test windows x86-64 2/8	13m 34s
test windows x86-64 2/8	22m 9s
test windows x86-64 3/8	19m 23s
test windows x86-64 3/8	19m 30s
test windows x86-64 4/8	15m 33s
test windows x86-64 4/8	15m 28s
test windows x86-64 5/8	12m 45s
test windows x86-64 5/8	17m 2s
test windows x86-64 6/8	11m 34s
test windows x86-64 6/8	12m 53s
test windows x86-64 7/8	9m 23s
test windows x86-64 7/8	13m 46s
test windows x86-64 8/8	4m 4s
test windows x86-64 8/8	14m 58s
	7h 2m 43s

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