chore: update dependency eslint-config-prettier to v7

Author: renovate-bot

package-lock.json

@@ -98,7 +98,7 @@
     "ava": "2.4.0",
     "babel-eslint": "10.1.0",
     "eslint": "7.13.0",
-    "eslint-config-prettier": "6.15.0",
+    "eslint-config-prettier": "7.2.0",
     "eslint-plugin-prettier": "3.1.4",
     "flow-bin": "0.131.0",
     "prettier": "2.1.2",