[cr138] Fixed braces around scalar initializer build error

```
../../brave/components/brave_wallet/browser/simulation_request_helper_unittest.cc:45:67: error: braces around scalar initializer [-Werror,-Wbraced-scalar-init]
   45 |       is_eth_send ? std::vector<uint8_t>() : std::vector<uint8_t>({10u}), false,
      |                                                                   ^~~~~
```

Author: AlexeyBarabash

components/brave_wallet/browser/simulation_request_helper_unittest.cc

@@ -42,7 +42,7 @@ mojom::TransactionInfoPtr GetCannedScanEVMTransactionParams(
       "0x09", "0x4a817c800", "0x5208",
       is_deploy_contract ? "0x" : "0x3535353535353535353535353535353535353535",
       "0xde0b6b3a7640000",
-      is_eth_send ? std::vector<uint8_t>() : std::vector<uint8_t>({10u}), false,
+      is_eth_send ? std::vector<uint8_t>() : std::vector<uint8_t>{10u}, false,
       std::nullopt);
 
   auto tx =