Update pragma

Author: james-toussaint

contracts/finance/VestingWalletCliffConfidentialInitializable.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-pragma solidity ^0.8.24;
+pragma solidity ^0.8.20;
 
 import {Ownable} from "@openzeppelin/contracts/access/Ownable.sol";
 import {Initializable} from "@openzeppelin/contracts/proxy/utils/Initializable.sol";

contracts/finance/VestingWalletConfidential.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-pragma solidity ^0.8.24;
+pragma solidity ^0.8.20;
 
 import {FHE, ebool, euint64} from "@fhevm/solidity/lib/FHE.sol";
 import {Ownable} from "@openzeppelin/contracts/access/Ownable.sol";

contracts/finance/VestingWalletConfidentialUpgradeable.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-pragma solidity ^0.8.24;
+pragma solidity ^0.8.20;
 
 import {Ownable} from "@openzeppelin/contracts/access/Ownable.sol";
 import {Initializable} from "@openzeppelin/contracts/proxy/utils/Initializable.sol";