feat!: separate proving from `noir_js` (#5072) #16

Job	Run time
build-nargo	2m 19s
build-noirc-abi	2m 8s
build-acvm-js	1m 37s
build-noir-wasm	3m 43s
ACVM JS (Node.js)	45s
ACVM JS (Browser)	1m 13s
noirc_abi	1m 13s
noir-js-backend-barretenberg	41s
Example scripts	10s
noir_codegen	1m 2s
Noir JS	1m 8s
noir_wasm	2m 25s
Integration Tests (Browser)	1m 50s
Integration Tests (Node)	2m 12s
End	1s
	22m 27s

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