Update dependency eslint-plugin-react to v7

Author: renovate-bot

package.json

@@ -62,7 +62,7 @@
     "eslint-config-airbnb": "13.0.0",
     "eslint-plugin-import": "2.2.0",
     "eslint-plugin-jsx-a11y": "2.2.3",
-    "eslint-plugin-react": "6.8.0",
+    "eslint-plugin-react": "7.23.2",
     "jest": "17.0.3",
     "nock": "9.0.2"
   },