apollo_starknet_os_program: address audit comments, part 2 #43910

Job	Run time
test-with-transaction-serde-feature	3m 46s
benchmarking	9m 37s
test-with-tracing-feature	3m 17s
test-with-cairo-native-feature	7m 42s
test-without-features	3m 23s
	27m 45s

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