feat!: separate proving from `noir_js` #7527

Job	Run time
build-acvm-js	1m 20s
build-nargo	2m 25s
build-noirc-abi	2m 3s
build-noir-wasm	3m 42s
ACVM JS (Node.js)	35s
ACVM JS (Browser)	1m 30s
noirc_abi	1m 9s
noir-js-backend-barretenberg	50s
Noir JS	1m 9s
noir_codegen	1m 0s
Example scripts	13s
noir_wasm	1m 57s
Integration Tests (Browser)	1m 50s
Integration Tests (Node)	2m 12s
End	1s
	21m 56s

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