🔧 upgrade solidity to 0.8.15 (#12)

upgrade: solidity to 0.8.15

Author: varunsrin

foundry.toml

@@ -2,6 +2,6 @@
 src = 'src'
 out = 'out'
 libs = ['lib']
-solc_version = "0.8.14"
+solc_version = "0.8.15"
 
 # See more config options https://github.com/foundry-rs/foundry/tree/master/config

script/AccountRegistry.s.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: UNLICENSED
-pragma solidity ^0.8.14;
+pragma solidity ^0.8.15;
 
 import "forge-std/Script.sol";
 

src/AccountRegistry.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: UNLICENSED
-pragma solidity ^0.8.14;
+pragma solidity ^0.8.15;
 
 error Unauthorized(); // The caller does not have the authority to perform this action.
 error ZeroId(); // The id is zero, which is invalid

src/Namespace.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: UNLICENSED
-pragma solidity ^0.8.14;
+pragma solidity ^0.8.15;
 
 import {ERC721} from "../lib/solmate/src/tokens/ERC721.sol";
 

test/AccountRegistry.t.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: UNLICENSED
-pragma solidity ^0.8.14;
+pragma solidity ^0.8.15;
 
 import "forge-std/Test.sol";
 import "../src/AccountRegistry.sol";

test/Namespace.t.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: UNLICENSED
-pragma solidity ^0.8.14;
+pragma solidity ^0.8.15;
 
 import "forge-std/Test.sol";
 import "../src/Namespace.sol";