chore(deps): update dependency eslint to v7.20.0

Author: renovate-bot

package-lock.json

@@ -30,7 +30,7 @@
     "@types/node": "14.14.27",
     "@typescript-eslint/eslint-plugin": "4.15.0",
     "@typescript-eslint/parser": "4.15.0",
-    "eslint": "7.19.0",
+    "eslint": "7.20.0",
     "eslint-config-prettier": "7.2.0",
     "eslint-plugin-import": "2.22.1",
     "husky": "5.0.9",