Upgrade Typescript and ESLint (#337) (#342)

* Upgrade eslint and additional lint changes

* Upgrade typescript version to v5

---------

Co-authored-by: Dhruv Srivastava <dhruvdhs.ds@gmail.com>

packages/codegen/package.json

@@ -34,7 +34,7 @@
     "node-fetch": "^2",
     "solc": "0.8.13",
     "ts-node": "^10.2.1",
-    "typescript": "^4.3.2",
+    "typescript": "^5.0.2",
     "yargs": "^17.1.1"
   },
   "devDependencies": {
@@ -43,10 +43,10 @@
     "@types/node": "^16.9.0",
     "@typescript-eslint/eslint-plugin": "^5.47.1",
     "@typescript-eslint/parser": "^5.47.1",
-    "eslint": "^7.27.0",
+    "eslint": "^8.35.0",
     "eslint-config-semistandard": "^15.0.1",
     "eslint-config-standard": "^16.0.3",
-    "eslint-plugin-import": "^2.23.3",
+    "eslint-plugin-import": "^2.27.5",
     "eslint-plugin-node": "^11.1.0",
     "eslint-plugin-promise": "^5.1.0"
   }