Treat Cairo plugins as package dependencies #8508

Job	Run time
build test linux x86-64	3m 11s
build test windows x86-64	9m 18s
check-rust	4m 32s
check-website	9s
scarb-metadata compatibility check	50s
doc tests	3m 44s
test prebuilt plugins linux x86-64	1m 22s
snforge-init	4m 50s
test prebuilt plugins windows x86-64	3m 13s
test prebuilt plugins macos arm64	1m 53s
test prebuilt plugins macos x86-64	2m 41s
test linux x86-64 1/4	18s
test linux x86-64 2/4	12s
test linux x86-64 3/4	2m 11s
test linux x86-64 4/4	34s
test windows x86-64 1/4	1m 2s
test windows x86-64 2/4	41s
test windows x86-64 3/4	2m 26s
test windows x86-64 4/4	52s
	43m 59s

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