evm: Update IVaaV1Receiver

Author: bruce-riley

evm/README.md

@@ -126,7 +126,7 @@ executor.requestExecution{value: executorArgs.value}(
 Your contract must implement the following function.
 
 ```solidity
-function receiveMessage(bytes calldata encodedTransferMessage) public payable
+function executeVAAv1(bytes calldata encodedTransferMessage) public payable
 ```
 
 #### v1 NTT Execution

evm/src/interfaces/IVaaV1Receiver.sol

@@ -5,5 +5,5 @@ pragma solidity ^0.8.19;
 interface IVaaV1Receiver {
     /// @notice Receive an attested message from the executor relayer.
     /// @param msg The attested message payload.
-    function receiveMessage(bytes memory msg) external payable;
+    function executeVAAv1(bytes memory msg) external payable;
 }