chore(deps): update dependency eslint-plugin-react to v7.21.2

Author: renovate-bot

package-lock.json

@@ -52,7 +52,7 @@
     "eslint-config-airbnb": "18.1.0",
     "eslint-plugin-import": "2.22.0",
     "eslint-plugin-jsx-a11y": "6.3.1",
-    "eslint-plugin-react": "7.20.6",
+    "eslint-plugin-react": "7.21.2",
     "husky": "4.3.0",
     "nyc": "15.1.0",
     "rimraf": "3.0.2",