Update pragmas on token files (#106)

Author: arr00

contracts/token/ConfidentialFungibleToken.sol

@@ -1,6 +1,5 @@
 // SPDX-License-Identifier: MIT
-
-pragma solidity ^0.8.26;
+pragma solidity ^0.8.27;
 
 import {FHE, externalEuint64, ebool, euint64} from "@fhevm/solidity/lib/FHE.sol";
 import {IConfidentialFungibleToken} from "./../interfaces/IConfidentialFungibleToken.sol";

contracts/token/extensions/ConfidentialFungibleTokenERC20Wrapper.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: MIT
 
-pragma solidity ^0.8.26;
+pragma solidity ^0.8.27;
 
 import {FHE, externalEuint64, euint64} from "@fhevm/solidity/lib/FHE.sol";
 import {IERC1363Receiver} from "@openzeppelin/contracts/interfaces/IERC1363Receiver.sol";

contracts/token/extensions/ConfidentialFungibleTokenVotes.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-pragma solidity ^0.8.24;
+pragma solidity ^0.8.27;
 
 import {euint64} from "@fhevm/solidity/lib/FHE.sol";
 import {VotesConfidential} from "./../../governance/utils/VotesConfidential.sol";