Migrate FV specs to CVL2 (#4527)

Co-authored-by: Hadrien Croubois <hadrien.croubois@gmail.com>

certora/harnesses/AccessControlDefaultAdminRulesHarness.sol

@@ -1,8 +1,7 @@
 // SPDX-License-Identifier: MIT
-
 pragma solidity ^0.8.20;
 
-import "../patched/access/AccessControlDefaultAdminRules.sol";
+import {AccessControlDefaultAdminRules} from "../patched/access/extensions/AccessControlDefaultAdminRules.sol";
 
 contract AccessControlDefaultAdminRulesHarness is AccessControlDefaultAdminRules {
     uint48 private _delayIncreaseWait;