fix: formatter didn't format `>>=` well #14415

Job	Run time
build-noirc-abi	2m 11s
build-nargo	2m 21s
build-noir-wasm	4m 21s
build-acvm-js	2m 14s
noirc_abi	1m 21s
ACVM JS (Browser)	1m 43s
ACVM JS (Node.js)	41s
Example scripts	10s
noir_codegen	1m 22s
Noir JS	1m 16s
Check external repo - ${{ matrix.project.repo }}	0s
noir_wasm	1m 45s
Integration Tests (Node)	2m 29s
Integration Tests (Browser)	1m 57s
End	1s
	23m 52s

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