chore: fixes version to 0.8.30

Author: 0xItadaki

src/contracts/L2Resolver.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-pragma solidity ^0.8.30;
+pragma solidity 0.8.30;
 
 import {IENS} from 'src/interfaces/IENS.sol';
 import {IL2Resolver} from 'src/interfaces/IL2Resolver.sol';

src/interfaces/IENS.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-pragma solidity ^0.8.30;
+pragma solidity 0.8.30;
 
 /**
  * @title IENS

src/interfaces/IL2Resolver.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-pragma solidity ^0.8.30;
+pragma solidity 0.8.30;
 
 import {IENS} from './IENS.sol';
 import {INameWrapper} from './INameWrapper.sol';

src/interfaces/INameWrapper.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-pragma solidity ^0.8.30;
+pragma solidity 0.8.30;
 
 /**
  * @title INameWrapper

test/unit/L2Resolver.t.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-pragma solidity ^0.8.30;
+pragma solidity 0.8.30;
 
 import {Test} from 'forge-std/Test.sol';
 import {L2Resolver} from 'src/contracts/L2Resolver.sol';