Update dependency eslint-config-prettier to v6.12.0

Author: renovate-bot

package-lock.json

@@ -26,7 +26,7 @@
     "cheerio": "0.22.0",
     "deep-freeze": "0.0.1",
     "eslint": "6.8.0",
-    "eslint-config-prettier": "6.11.0",
+    "eslint-config-prettier": "6.12.0",
     "eslint-plugin-react": "7.21.2",
     "husky": "3.1.0",
     "pre-commit": "1.2.2",