chore(deps): update typescript-eslint monorepo to v4

Author: renovate-bot

package.json

@@ -25,8 +25,8 @@
     "@types/jest": "24.0.25",
     "@types/mockdate": "2.0.0",
     "@types/twitter": "1.7.0",
-    "@typescript-eslint/eslint-plugin": "2.14.0",
-    "@typescript-eslint/parser": "2.14.0",
+    "@typescript-eslint/eslint-plugin": "4.6.0",
+    "@typescript-eslint/parser": "4.6.0",
     "eslint": "6.8.0",
     "eslint-config-airbnb-base": "14.0.0",
     "eslint-config-prettier": "6.9.0",