Replace Bun with pnpm, bump Hardhat version

.eslintrc

@@ -1,7 +1,8 @@
 {
   "ignorePatterns": [
     "dist",
-    "node_modules"
+    "node_modules",
+    "subgraph"
   ],
   "root": true,
   "parser": "@typescript-eslint/parser",

.npmrc

@@ -0,0 +1 @@
+shamefully-hoist=true

hardhat.config.ts

@@ -1,5 +1,4 @@
 import '@nomicfoundation/hardhat-toolbox'
-import '@openzeppelin/hardhat-upgrades'
 import 'hardhat-storage-layout'
 import 'hardhat-contract-sizer'
 import 'hardhat-deploy'
@@ -29,7 +28,7 @@ export default {
             url: 'https://rpc.ankr.com/polygon_mumbai',
             chainId: 80001,
             loggingEnabled: true,
-            accounts: [process.env.PRIVATE_KEY!],
+            accounts: [process.env.PRIVATE_KEY],
             saveDeployments: true,
             zksync: false
         }

package.json

@@ -23,7 +23,7 @@
     "build": "hardhat compile",
     "clean": "hardhat clean",
     "format": "npm run format-ts && npm run format-sol",
-    "format-sol": "prettier --ignore-unknown --write \"contracts/*.sol\"",
+    "format-sol": "prettier --ignore-unknown --write \"contracts/**/*.sol\"",
     "format-ts": "prettier --ignore-unknown --write \"**/*.ts\"",
     "lint": "npm run lint-ts && npm run lint-sol",
     "lint-ts": "eslint . --ext .ts",
@@ -37,27 +37,26 @@
     "@nomicfoundation/hardhat-toolbox": "3.0.0",
     "@openzeppelin/contracts": "5.0.0",
     "@openzeppelin/contracts-upgradeable": "5.0.0",
-    "@openzeppelin/hardhat-upgrades": "2.3.3",
     "@types/bunyan": "^1.8.7",
     "@types/chai-as-promised": "7.1.7",
     "@types/node": "20.8.7",
-    "@typescript-eslint/eslint-plugin": "6.8.0",
-    "@typescript-eslint/parser": "6.8.0",
+    "@typescript-eslint/eslint-plugin": "6.10.0",
+    "@typescript-eslint/parser": "6.10.0",
     "chai-as-promised": "7.1.1",
-    "eslint": "8.52.0",
+    "dotenv": "^16.3.1",
+    "eslint": "8.53.0",
     "eslint-config-prettier": "9.0.0",
     "eslint-plugin-prettier": "5.0.1",
-    "hardhat": "2.18.2",
+    "hardhat": "2.19.0",
     "hardhat-contract-sizer": "2.10.0",
+    "hardhat-deploy": "^0.11.43",
     "hardhat-storage-layout": "0.1.7",
     "husky": "8.0.3",
     "lint-staged": "15.0.2",
     "prettier": "3.0.3",
     "prettier-plugin-solidity": "1.1.3",
     "solhint": "4.0.0",
-    "typescript": "5.2.2",
-    "dotenv": "^16.3.1",
-    "hardhat-deploy": "^0.11.43"
+    "typescript": "5.2.2"
   },
   "dependencies": {
     "bunyan": "^1.8.15"