chore: update solidity to v0.8.30

Author: johnson86tw

.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+	"solidity.compileUsingRemoteVersion": "v0.8.30+commit.73712a01"
+}

src/BaseAccount.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-pragma solidity ^0.8.28;
+pragma solidity ^0.8.30;
 
 /* solhint-disable avoid-low-level-calls */
 /* solhint-disable no-empty-blocks */

src/SimpleModular7702Account.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-pragma solidity ^0.8.28;
+pragma solidity ^0.8.30;
 
 import {PackedUserOperation} from "aa-0.8/interfaces/PackedUserOperation.sol";
 import {SIG_VALIDATION_SUCCESS, SIG_VALIDATION_FAILED} from "aa-0.8/core/Helpers.sol";

src/interfaces/IERC7579Validator.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-pragma solidity ^0.8.28;
+pragma solidity ^0.8.30;
 
 import {PackedUserOperation} from "aa-0.8/interfaces/PackedUserOperation.sol";
 import {IERC7579Module} from "oz-5.3/interfaces/draft-IERC7579.sol";