chore(contracts): token version update

Author: Anmol-Dhiman

.vscode/settings.json

@@ -14,6 +14,6 @@
     "projectKey": "kleros_kleros-v2"
   },
   "editor.codeActionsOnSave": {
-    "source.fixAll.eslint": true
+    "source.fixAll.eslint": "explicit"
   }
 }

contracts/hardhat.config.ts

@@ -21,13 +21,26 @@ dotenv.config();
 
 const config: HardhatUserConfig = {
   solidity: {
-    version: "0.8.18",
-    settings: {
-      optimizer: {
-        enabled: true,
-        runs: 100,
+    compilers: [
+      {
+        version: "0.8.18",
+        settings: {
+          optimizer: {
+            enabled: true,
+            runs: 100,
+          },
+        },
       },
-    },
+      {
+        version: "0.8.24",
+        settings: {
+          optimizer: {
+            enabled: true,
+            runs: 100,
+          },
+        },
+      },
+    ],
   },
   paths: {
     sources: "./src",

contracts/src/token/Faucet.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: MIT
 
-pragma solidity 0.8.18;
+pragma solidity 0.8.24;
 
 import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
 

contracts/src/token/PNK.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: MIT
 
-pragma solidity 0.8.18;
+pragma solidity 0.8.24;
 
 import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
 

contracts/src/token/PinakionV2.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: MIT
 
-pragma solidity 0.8.18;
+pragma solidity 0.8.24;
 
 import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
 import "@openzeppelin/contracts/token/ERC20/extensions/ERC20Burnable.sol";

contracts/src/token/TestERC20.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: MIT
 
-pragma solidity 0.8.18;
+pragma solidity 0.8.24;
 
 import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
 

contracts/src/token/TestERC721.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: MIT
 
-pragma solidity 0.8.18;
+pragma solidity 0.8.24;
 
 import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
 import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Enumerable.sol";

contracts/src/token/WrappedPinakionV2.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: MIT
 
-pragma solidity 0.8.18;
+pragma solidity 0.8.24;
 
 import "@openzeppelin/contracts/token/ERC20/ERC20.sol";