bumped up node version (#272)

Author: aalavandhan

.github/workflows/nightly.yml

@@ -11,7 +11,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node-version: [16.x]
+        node-version: [20.x]
         os: [ubuntu-latest]
 
     steps:

.github/workflows/test.yml

@@ -12,7 +12,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [16.x]
+        node-version: [20.x]
         os: [ubuntu-latest]
 
     steps:

.nvmrc

@@ -1 +1 @@
-16
+20

package.json

@@ -60,9 +60,8 @@
     "eslint-plugin-promise": "^6.0.0",
     "ethereum-waffle": "^3.4.4",
     "ethers": "^5.6.9",
-    "hardhat": "^2.11.2",
+    "hardhat": "^2.22.1",
     "hardhat-gas-reporter": "^1.0.8",
-    "lodash": "^4.17.21",
     "prettier": "^2.7.1",
     "prettier-plugin-solidity": "^1.0.0-dev.23",
     "solhint": "^3.3.7",