Update dependency eslint to v7.3.1

Author: renovate-bot

package-lock.json

@@ -39,7 +39,7 @@
     "@typescript-eslint/eslint-plugin": "3.4.0",
     "@typescript-eslint/parser": "3.4.0",
     "@zeit/ncc": "0.22.3",
-    "eslint": "7.2.0",
+    "eslint": "7.3.1",
     "eslint-config-prettier": "6.11.0",
     "eslint-plugin-jest": "23.13.2",
     "jest": "26.1.0",