Update dependency eslint-plugin-react to v7.20.3

Author: renovate-bot

package.json

@@ -66,7 +66,7 @@
     "eslint-plugin-jest": "23.11.0",
     "eslint-plugin-prettier": "3.1.3",
     "eslint-plugin-promise": "4.2.1",
-    "eslint-plugin-react": "7.19.0",
+    "eslint-plugin-react": "7.20.3",
     "eslint-plugin-react-hooks": "2.5.1",
     "jest": "24.9.0",
     "lerna": "3.20.2",