fix: use correct type for attribute arguments #15780

Job	Run time
build-acvm-js	1m 23s
build-noirc-abi	1m 28s
build-nargo	2m 27s
build-noir-wasm	3m 44s
ACVM JS (Node.js)	38s
ACVM JS (Browser)	1m 21s
noirc_abi	1m 25s
Example scripts	12s
Noir JS	1m 1s
noir_codegen	1m 3s
Check external repo - ${{ matrix.project.repo }}	0s
noir_wasm	1m 48s
Integration Tests (Node)	2m 14s
Integration Tests (Browser)	1m 48s
End	2s
	20m 34s

Provide feedback