feat: update tests and solidity version

contracts/mainnet/connectors/morpho-blue/events.sol

@@ -1,5 +1,5 @@
 //SPDX-License-Identifier: MIT
-pragma solidity ^0.8.2;
+pragma solidity 0.8.19;
 import {Id, MarketParams} from "./interfaces/IMorpho.sol";
 
 contract Events {

contracts/mainnet/connectors/morpho-blue/helpers.sol

@@ -1,5 +1,5 @@
 //SPDX-License-Identifier: MIT
-pragma solidity ^0.8.2;
+pragma solidity 0.8.19;
 
 import {Id, IMorpho, MarketParams, Position, Market} from "./interfaces/IMorpho.sol";
 import "../../common/stores.sol";

contracts/mainnet/connectors/morpho-blue/main.sol

@@ -1,5 +1,5 @@
 //SPDX-License-Identifier: MIT
-pragma solidity ^0.8.2;
+pragma solidity 0.8.19;
 
 import "./helpers.sol";
 import "./events.sol";

hardhat.config.ts

@@ -69,6 +69,15 @@ function getNetworkUrl(networkType: string) {
 const config: any = {
   solidity: {
     compilers: [
+      {
+        version: "0.8.19",
+        settings: {
+          optimizer: {
+            enabled: true,
+            runs: 200
+          }
+        }
+      },
       {
         version: "0.8.2",
         settings: {
@@ -78,6 +87,15 @@ const config: any = {
           }
         }
       },
+      {
+        version: "0.8.0",
+        settings: {
+          optimizer: {
+            enabled: true,
+            runs: 200
+          }
+        }
+      },
       {
         version: "0.7.6",
         settings: {