feat: Deduplicate instructions across blocks #15089

Job	Run time
build-acvm-js	1m 19s
build-nargo	2m 25s
build-noirc-abi	1m 29s
build-noir-wasm	3m 45s
ACVM JS (Node.js)	40s
ACVM JS (Browser)	1m 19s
noirc_abi	1m 15s
Noir JS	1m 4s
noir_codegen	1m 4s
Example scripts	11s
Check external repo - ${{ matrix.project.repo }}	0s
noir_wasm	1m 44s
Integration Tests (Node)	2m 19s
Integration Tests (Browser)	1m 47s
End	1s
	20m 22s

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