chore: rework workspace structure for utils crates #6351

Job	Run time
build-acvm-js	1m 27s
build-acvm-js	1m 27s
build-nargo	2m 23s
build-nargo	2m 23s
build-noirc-abi	1m 51s
build-noirc-abi	1m 51s
build-noir-wasm	4m 1s
build-noir-wasm	4m 1s
ACVM JS (Node.js)	43s
ACVM JS (Node.js)	43s
ACVM JS (Browser)	1m 38s
ACVM JS (Browser)	1m 33s
noirc_abi	1m 10s
noirc_abi	1m 10s
noir-js-backend-barretenberg	50s
noir-js-backend-barretenberg	50s
noir_codegen	1m 2s
noir_codegen	1m 2s
Noir JS	1m 50s
Noir JS	1m 50s
Integration Tests (Browser)	6m 2s
Integration Tests (Browser)	6m 2s
noir_wasm	2m 1s
noir_wasm	2m 1s
Integration Tests (Node)	3m 39s
Integration Tests (Node)	3m 39s
End	1s
End	1s
	57m 11s

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