chore: rename acir opcode from `pedersen` to `pedersen_commitment` (#… #1166

Job	Run time
build-nargo	2m 14s
build-noir-wasm	40s
build-acvm-js	40s
build-noirc-abi	40s
noirc_abi	38s
noir-js-backend-barretenberg	45s
ACVM JS (Browser)	1m 30s
ACVM JS (Node.js)	36s
Noir JS	1m 30s
noir_codegen	1m 2s
Integration Tests	8m 36s
noir_wasm	1m 2s
End	1s
	19m 54s

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