starknet_os_flow_tests: add V1-bound cairo0 account for flow tests

Author: dorimedini-starkware

Cargo.lock

@@ -12,6 +12,7 @@ blockifier_test_utils.workspace = true
 cairo-lang-starknet-classes.workspace = true
 itertools.workspace = true
 rstest.workspace = true
+serde_json.workspace = true
 starknet-types-core.workspace = true
 starknet_api.workspace = true
 starknet_committer = { workspace = true, features = ["testing"] }