Update dependencies

Author: emozilla

hardhat.config.js

@@ -5,6 +5,7 @@ require("solidity-coverage");
 require('hardhat-contract-sizer');
 require("@nomiclabs/hardhat-ethers");
 require("@nomiclabs/hardhat-etherscan");
+require('@openzeppelin/hardhat-upgrades');
 require("dotenv").config();
 /**
  * @type import('hardhat/config').HardhatUserConfig

package.json

@@ -19,18 +19,20 @@
   "devDependencies": {
     "@nomiclabs/hardhat-ethers": "^2.0.2",
     "@nomiclabs/hardhat-waffle": "^2.0.1",
+    "@openzeppelin/contracts": "^4.9.3",
+    "@openzeppelin/contracts-upgradeable": "^4.9.3",
+    "@openzeppelin/hardhat-upgrades": "^1.28.0",
     "chai": "^4.3.4",
     "chai-as-promised": "^7.1.1",
     "ethereum-waffle": "^3.4.0",
-    "ethers": "^5.5.1",
-    "hardhat": "^2.6.8",
+    "ethers": "^5.7.2",
+    "hardhat": "^2.13.0",
     "hardhat-gas-reporter": "^1.0.8",
     "prettier": "^2.5.1",
     "prettier-plugin-solidity": "^1.0.0-beta.19"
   },
   "dependencies": {
-    "@nomiclabs/hardhat-etherscan": "^3.0.1",
-    "@openzeppelin/contracts": "^4.4.1",
+    "@nomiclabs/hardhat-etherscan": "^3.1.0",
     "dotenv": "^16.0.0",
     "hardhat-contract-sizer": "^2.4.0",
     "solidity-coverage": "^0.7.20",