Update typescript-eslint monorepo to v3.4.0

Author: renovate-bot

package-lock.json

@@ -36,8 +36,8 @@
     "@types/jest": "26.0.3",
     "@types/node": "13.13.12",
     "@types/picomatch": "2.2.1",
-    "@typescript-eslint/eslint-plugin": "3.3.0",
-    "@typescript-eslint/parser": "3.3.0",
+    "@typescript-eslint/eslint-plugin": "3.4.0",
+    "@typescript-eslint/parser": "3.4.0",
     "@zeit/ncc": "0.22.3",
     "eslint": "7.2.0",
     "eslint-config-prettier": "6.11.0",