Upgrade @fhevm/solidity to 0.11.1 and @fhevm/hardhat-plugin to 0.4.2 (matching Zama's official template)

Author: Himess

package-lock.json

@@ -8,14 +8,14 @@
   },
   "license": "BUSL-1.1",
   "dependencies": {
-    "@fhevm/solidity": "^0.10.0",
+    "@fhevm/solidity": "^0.11.1",
     "@openzeppelin/confidential-contracts": "^0.3.1",
     "@openzeppelin/contracts": "^5.4.0",
     "@openzeppelin/contracts-upgradeable": "^5.6.1",
     "dotenv": "^17.3.1"
   },
   "devDependencies": {
-    "@fhevm/hardhat-plugin": "0.4.0",
+    "@fhevm/hardhat-plugin": "^0.4.2",
     "@fhevm/mock-utils": "0.4.0",
     "@nomicfoundation/hardhat-chai-matchers": "^2.1.0",
     "@nomicfoundation/hardhat-ethers": "^3.1.3",