chore: Bump braces from 3.0.2 to 3.0.3 in /smart_contract_tests #1256

Job	Run time
Test verifier contracts (ubuntu-latest, 18)	50s
Test browser (ubuntu-latest, 18)	6m 24s
Test verifier contracts (ubuntu-latest, 20)	2m 52s
Test (ubuntu-latest, 18)	3m 4s
Test browser (ubuntu-latest, 20)	7m 39s
Test (ubuntu-latest, 20)	3m 2s
Test (macos-latest, 18)	3m 27s
Test (macos-latest, 20)	1m 15s
Test (windows-latest, 18)	3m 40s
Test (windows-latest, 20)	1m 43s
	33m 56s

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